{"count":50,"next_cursor":"124262c01a42c7b95985e621f0722f02641f1f63ead7f3610ca2dc964726ff18","note":"metrics are seller-attributed (per payTo address), not per listing — see methodology; description/category are claims, category_source says auto-assigned vs seller-asserted","listings":[{"listing_id":"00627566fc96a4793206bc5bdcb5b0c25bcf7656a04d763a12386d4259db3490","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/bulk/email/hosted-by/icloud","title":"is-email-hosted-by-icloud-bulk","network":"eip155:8453","description":"Bulk is email hosted by icloud: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"00b7460ac869f6b834be59ba3a62cf3f965e34b9935eb83b63ebdd6bc443c120","seller_address":"0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38","verifiability":"base_usdc","resource_url":"https://agentshelf.syntexa.ch/v1/email-syntax","title":null,"network":"eip155:8453","description":"Call when an agent needs email syntax checked (no SMTP). No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/email-syntax first.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":14140486,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1193},{"listing_id":"0111ce22ef3077a115a694fb060df558d9e9e1aa271e452ba91b88648a12f522","seller_address":"0xa0bfa4f07281c9b248dc3aed2217836bca24869b","verifiability":"base_usdc","resource_url":"https://apiacre.com/v1/web/email-auth","title":"API Acre","network":"eip155:8453","description":"Check a public domain's email authentication and anti-spoofing posture using MX, SPF, DMARC, caller-selected DKIM, MTA-STS, TLS-RPT, and BIMI DNS evidence.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":40000,"median_payment_30d_micro":10000,"farm_flag":0,"farm_reasons":null,"sibling_listings":41},{"listing_id":"011b59c16c23b95bf76251f2fa708ec5a2f0618a40861b61a21d47290d8e25bb","seller_address":"0x8e37022edcf0f21cf3c9f93fee9d4d32519f36f4","verifiability":"base_usdc","resource_url":"https://api.aiskills402.com/v1/skills/prompt-injection-guard/file","title":"Prompt Injection Guard","network":"eip155:8453","description":"Prompt Injection Guard — Keeps an AI agent from obeying instructions hidden in what it reads (indirect prompt injection). Web pages, e-mails, files, PDFs, API and tool output, other agents' messages and skill files under review are treated as content, never as orders. The agent is instructed never to pay, transfer, delete or reveal anything because content asked, to report the attempt with a quote and its source, and to still finish the real task. Use whenever the agent reads anything it did no…","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":25560000,"median_payment_30d_micro":30000,"farm_flag":0,"farm_reasons":null,"sibling_listings":138},{"listing_id":"01458221ae61a15f6a94a17a3124c38b909e56004600d8924e9be2d1f44b1a66","seller_address":"0xccd231829e24b42195b500028f8779b8f8b1131a","verifiability":"base_usdc","resource_url":"https://x402.orthogonal.com/apollo/api/v1/people/match","title":null,"network":"eip155:8453","description":"Enrich a person by email, LinkedIn URL, name+company, or other identifiers. Returns contact details, job info, and social profiles.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":2020000,"median_payment_30d_micro":10000,"farm_flag":0,"farm_reasons":null,"sibling_listings":86},{"listing_id":"0221ff59f383df7cb7d507831795058a1c324b3691aab3ec23d8c1b44f9a8ac1","seller_address":"0x446e51deab3ae656c99e65369e8ef1148d23d7f7","verifiability":"base_usdc","resource_url":"https://dns.use.x402atlas.com/mx","title":"DNS MX Record Lookup","network":"eip155:8453","description":"DNS MX record lookup — a domain's mail servers with their hostnames and priorities as structured JSON, for email routing, deliverability diagnostics and mail-provider detection.","category":"communications","category_source":"auto","tier":"listed_only","evidence_state":"insufficient","verified_revenue_30d_micro":35000,"median_payment_30d_micro":35000,"farm_flag":0,"farm_reasons":null,"sibling_listings":7},{"listing_id":"028d482ef78130165ca3e372d48256ae6f5bf8ba1538face0190f9ef57fdb8fa","seller_address":"0x8bc2aecdd86097f74a1a5fa17764108d9a683c8c","verifiability":"base_usdc","resource_url":"https://market.datapackvibe.com/x402/redact-emails-nonprofit","title":"Nonprofit Email redactor","network":"eip155:8453","description":"Nonprofit Email redactor: Replace email addresses in supplied text with a privacy marker. Tailored for nonprofit workflows.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":163060000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":17219},{"listing_id":"02ce8688a11e504f144562d1f920eee34493f323ff73ea446247562e370c5ada","seller_address":"0x07f3f36408a7632bc377b2b0bf181868940395e3","verifiability":"base_usdc","resource_url":"https://biz-integral-pull-earrings.trycloudflare.com/v1/coder/explain","title":"dev-5090 uncensored inference","network":"eip155:8453","description":"Explain code snippet in plain English (paste code in message).","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":4900000,"median_payment_30d_micro":30000,"farm_flag":0,"farm_reasons":null,"sibling_listings":31},{"listing_id":"0386afafc219c2315298efc86413330cc1085497ae372f037135abdddef4e3d3","seller_address":"0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a","verifiability":"base_usdc","resource_url":"https://pack.openverbs.com/v1/encode","title":"Encode JSON to MessagePack/CBOR","network":"eip155:8453","description":"Serialize a JSON value into a compact MessagePack or CBOR byte stream, returned as a base64 (default), base64url or hex string, along with the byte length.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":8200000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":404},{"listing_id":"03d6a0705ed6bac5494e5c2f92bf1b369aad6d17a2658ab3f780eb3683bdb861","seller_address":"0x02cbfb2e4132d2cbbc97d6a51725e07b5777d77e","verifiability":"base_usdc","resource_url":"https://domain-intel.latamfx.workers.dev/v1/domain/:var1","title":"Domain Intel","network":"eip155:8453","description":"Company domain intelligence. Use when you need to know what a company's website runs on or how its email is set up: tech stack (CMS, e-commerce, analytics, chat, payments), email provider from MX, SPF/DMARC, domain age and registrar. No personal data.","category":"communications","category_source":"auto","tier":"listed_only","evidence_state":"not_observed","verified_revenue_30d_micro":null,"median_payment_30d_micro":null,"farm_flag":null,"farm_reasons":null,"sibling_listings":3},{"listing_id":"049ee8e80889eb20a94cdae0d0a67a32c68385860538dc564427da3fc570bbed","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/bulk/email/hosted-by/hostinger-mail","title":null,"network":"eip155:8453","description":"Bulk is email hosted by hostinger mail: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"04c6d7aa61d5611f79460d72e554e72998fab8028cabdef6a1ccf0a8fb803b07","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/bulk/email/hosted-by/symantec-messagelabs","title":null,"network":"eip155:8453","description":"Bulk is email hosted by symantec messagelabs: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"062706ed47793d0cf773c2f4ffb254ecfa4ea458c668bda9605a9297a2e846b5","seller_address":"0x4395c7e383b7e05665aad7f36ed77c01923dd965","verifiability":"base_usdc","resource_url":"https://agentbit.app/v1/kits/domain-dossier","title":null,"network":"eip155:8453","description":"Everything to vet a domain in one call: DNS records + email posture, RDAP registration/age/registrar, IP network/ASN/geo (from the resolved A record) and public threat-intel on the site. Four AgentBIT tools, merged. $0.015.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":2835000,"median_payment_30d_micro":15000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":86},{"listing_id":"064ecc433ffb22da691b4f6003338d840dfe7e83edcd431dbbff040dd558ac40","seller_address":"0x8bc2aecdd86097f74a1a5fa17764108d9a683c8c","verifiability":"base_usdc","resource_url":"https://market.datapackvibe.com/x402/assistant-sector-writing-handover-contact-mask","title":null,"network":"eip155:8453","description":"Handover document - Email and phone pattern masking: Email and phone pattern masking for Handover document. Supplied Markdown or plain text, up to 20,000 characters. Deterministic processing and document templates; no generative prose or fact checking. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded email and phone pattern masking deliverable.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":163060000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":17219},{"listing_id":"065aa337a14c1ac2bf4a8dcf3a5678bc803f774ef0f36cc48682e55c58db7e95","seller_address":"0xf4a6cea7ce19ce36d6420905e5a1eafb30bfd133","verifiability":"base_usdc","resource_url":"https://overwing.ai/api/x402/execute","title":"Overwing","network":"eip155:8453","description":"Overwing guardrail: check text before you send, post, or act on it. Content moderation, PII detection, confidential leak detection, toxicity, self-harm and severity in ~150 ms. Returns a verdict plus one recommended_action (block / redact / review / allow) with calibrated confidence. Pass context (recipient, channel, owns_contact_info) with the outbound-message set. $0.002 USDC, no account.","category":"communications","category_source":"auto","tier":"listed_only","evidence_state":"not_observed","verified_revenue_30d_micro":0,"median_payment_30d_micro":null,"farm_flag":0,"farm_reasons":null,"sibling_listings":4},{"listing_id":"06606e7be7d6861927cafa86b0d62aff53f0a95bd61b0c48ec35d0b3fca479ec","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/email/hosted-by/hetzner-mail","title":"is-email-hosted-by-hetzner-mail","network":"eip155:8453","description":"Is the domain's email hosted by hetzner mail? Looks up the MX records (Cloudflare DoH) and matches them against hetzner-mail's mail-exchanger patterns, returning yes/no, the MX hosts and which matched. Provider detection for deliverability, sales and migration work. $0.01 per lookup.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"06b00ea8a2a5bdab0c42fb3192cb61e3347778c7725ccd5045d72470e2b758ed","seller_address":"0x879933456986877f5d87e6ee24d1e0ebd264f527","verifiability":"base_usdc","resource_url":"https://tools.miniframe.com.br/compress-pdf","title":"MiniFrame Tools","network":"eip155:8453","description":"Use when a PDF is too large to email, upload or attach — Ghostscript compression an agent sandbox cannot run on its own. Send it either as JSON {pdf_base64} or as the raw PDF body (Content-Type: application/pdf), up to 30 MB. Optional query param mode=light|balanced|max (default balanced). Returns JSON with original_size, compressed_size, reduction_percent, warnings and pdf_base64 (the compressed file).","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":190000,"median_payment_30d_micro":20000,"farm_flag":0,"farm_reasons":null,"sibling_listings":8},{"listing_id":"06b71dc09fa1af7f7fed2b44b524812b1e46c005d1ccdee2fe98e82e84c38b7f","seller_address":"0xb0ae6a9bd7a573ddda58db6c28622417e8ca2099","verifiability":"base_usdc","resource_url":"https://agentdata-api.sander-van-aard.workers.dev/llm/chat","title":null,"network":"eip155:8453","description":"LLM chat completion per call — no account, no API key, no token math. Three flat-priced tiers: fast $0.002 (DeepSeek v4 Flash), smart $0.02 (GPT-5.4 mini), reasoning $0.03 (DeepSeek v4 Pro). Send OpenAI-style messages, get the assistant reply with finish_reason and token usage. Input capped per tier (16k-32k chars); the 402 quotes the exact tier price up front. Model or source unavailable means a 503 and you pay nothing. USDC on Base.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":107473580,"median_payment_30d_micro":30000,"farm_flag":0,"farm_reasons":null,"sibling_listings":35},{"listing_id":"0726227b8fe94ba5d272739946acf3d8584aa9b84c807cac6734fe19b4da4012","seller_address":"0x07f3f36408a7632bc377b2b0bf181868940395e3","verifiability":"base_usdc","resource_url":"https://biz-integral-pull-earrings.trycloudflare.com/v1/regex-explain","title":"dev-5090 uncensored inference","network":"eip155:8453","description":"Explain a regex in plain English. Paste the regex in message content.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":4900000,"median_payment_30d_micro":30000,"farm_flag":0,"farm_reasons":null,"sibling_listings":31},{"listing_id":"07297b0c5efe87b6984258e5bff10723b39b8f9925c23f18577cc948b100989f","seller_address":"0x40a8cdd6a10ec1a8cb3dfb2834675e7a2cf4ad8b","verifiability":"base_usdc","resource_url":"https://api.loyalspark.online/x402-gateway/recipient-api/cancel-offer","title":null,"network":"eip155:8453","description":"Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month. On the paid retry send the payment together with header x-api-key: rwk_... or Authorization: Bearer rwk_.... A payment without a live key is not charged. Get a free rwk_ key without a browser: POST https://api.loyalspark.online/siwe-nonce, sign a SIWE message (Chain ID 8453) with your holder wallet, then POST {message, signature, name} to https://api.loyalspark.online/recipient-api/register. Guide: https://loyalspark.online/.well-known/skills/00-getting-started.md The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":89431588,"median_payment_30d_micro":10000,"farm_flag":0,"farm_reasons":null,"sibling_listings":32},{"listing_id":"079f616f3a482bbca00d60e80e55a367988d3bd335a39330196c0315e270a9cb","seller_address":"0x6cb53f00a586f7704e1f7121c2e397b579eb3ed0","verifiability":"base_usdc","resource_url":"https://xhagents.xyz/api/domain-audit","title":null,"network":"eip155:8453","description":"Domain & email audit — SPF, DMARC, DKIM, MX, TLS certificate, HSTS and security headers, scored 0-100","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":8147648,"median_payment_30d_micro":100000,"farm_flag":0,"farm_reasons":null,"sibling_listings":24},{"listing_id":"080fd0984f29d4779dfc6635240cbb9d6e3b48e4f82fe9b878b6f619c5e3f2cc","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/email/hosted-by/runbox","title":"is-email-hosted-by-runbox","network":"eip155:8453","description":"Is the domain's email hosted by runbox? Looks up the MX records (Cloudflare DoH) and matches them against runbox's mail-exchanger patterns, returning yes/no, the MX hosts and which matched. Provider detection for deliverability, sales and migration work. $0.01 per lookup.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"08796b22cf36de62d86ee8c04df86ac5f9195a71c2487230d3f5f6fedb1f3a16","seller_address":"0xef56e1fa792b8f3e87dcb09fa36261d213c10a09","verifiability":"base_usdc","resource_url":"https://rooms.aurmada.com/a2a/token-verdict","title":"Rooms by Aurmada","network":"eip155:8453","description":"Use when you need this done by an agent: A Base or Ethereum token contract in; on-chain facts and a plain-language verdict out. Token Verdict (Rooms by Aurmada) A2A specialist, 1 free call/day, then $0.02 per call. Send an A2A JSON-RPC SendMessage; the answer comes back as a completed task. Never charged when the task fails.","category":"communications","category_source":"auto","tier":"listed_only","evidence_state":"insufficient","verified_revenue_30d_micro":60000,"median_payment_30d_micro":10000,"farm_flag":0,"farm_reasons":null,"sibling_listings":20},{"listing_id":"0943b649a763feb1ef2c4079f49fde01ffb2ca0350cdaca12a3f28acf13a191b","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/bulk/email/hosted-by/ovh-mail","title":"is-email-hosted-by-ovh-mail-bulk","network":"eip155:8453","description":"Bulk is email hosted by ovh mail: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"0970bdf1b72700802afea8b59244db79388c2a73f51500a5d692c6fba7cc2875","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/email/hosted-by/tutanota","title":"is-email-hosted-by-tutanota","network":"eip155:8453","description":"Is the domain's email hosted by tutanota? Looks up the MX records (Cloudflare DoH) and matches them against tutanota's mail-exchanger patterns, returning yes/no, the MX hosts and which matched. Provider detection for deliverability, sales and migration work. $0.01 per lookup.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"099c0f42e59c90526048043743dafa8f232e62bfaee73315e1f7e141d357026b","seller_address":"0x07f3f36408a7632bc377b2b0bf181868940395e3","verifiability":"base_usdc","resource_url":"https://dev-5090-box.tailfb4c1f.ts.net/v1/coder/explain","title":"dev-5090 uncensored inference","network":"eip155:8453","description":"Explain code snippet in plain English (paste code in message).","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":4900000,"median_payment_30d_micro":30000,"farm_flag":0,"farm_reasons":null,"sibling_listings":31},{"listing_id":"09b2c5630de65563d3de6a53284ea196fc5befdb099f13be19610ec9cedaffff","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/bulk/email/hosted-by/barracuda","title":null,"network":"eip155:8453","description":"Bulk is email hosted by barracuda: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"09e5dcd23da1eda4d9eddf270b89b7c254f9d09a71071778772e1b87416e3673","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/bulk/email/webmail/gmx","title":"is-gmx-address-bulk","network":"eip155:8453","description":"Bulk is gmx address: up to 20 emails in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"0a1045a1cb2c9b6e3124187687fdbccf05bcbdbb19965a2016bbc54d4ccd5c33","seller_address":"0x8bc2aecdd86097f74a1a5fa17764108d9a683c8c","verifiability":"base_usdc","resource_url":"https://market.datapackvibe.com/x402/email-draft-ecommerce","title":"Ecommerce Email draft builder","network":"eip155:8453","description":"Ecommerce Email draft builder: Draft a short email from a purpose, audience, key points, and tone. Tailored for ecommerce workflows.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":163060000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":17219},{"listing_id":"0a595a3b7b4746d0bd8bd573a3563ea58f64f65b3f505b7e13101be83b2b44f0","seller_address":"0xf99b281010c5e6cbcf486d7ef108b315be7ce0e9","verifiability":"base_usdc","resource_url":"https://api.telemost.io/v1/data/messages","title":"telemost-x402","network":"eip155:8453","description":"Telegram channel data and monitoring: fetch recent messages and posts from any public Telegram channel or group. Monitor news sources, track updates, or feed content into downstream analysis. Optional `since` filters by date.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1138500,"median_payment_30d_micro":16500,"farm_flag":0,"farm_reasons":null,"sibling_listings":13},{"listing_id":"0ac9721b6ded0e988a1e6f746d0231c6cd46e19e21aaee8640cc86d6baa6c02f","seller_address":"0x8bc2aecdd86097f74a1a5fa17764108d9a683c8c","verifiability":"base_usdc","resource_url":"https://market.datapackvibe.com/x402/assistant-sector-writing-process-guide-contact-mask","title":null,"network":"eip155:8453","description":"Process guide - Email and phone pattern masking: Email and phone pattern masking for Process guide. Supplied Markdown or plain text, up to 20,000 characters. Deterministic processing and document templates; no generative prose or fact checking. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded email and phone pattern masking deliverable.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":163060000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":17219},{"listing_id":"0ad70e8ee664b4fd2ed8e3bbfb018e60df0900708efde49b14ca846d4a266b73","seller_address":"0x539d036a305f78388dca5fc49c27f9e29b83d315","verifiability":"base_usdc","resource_url":"https://wtsp.dev/v1/profile","title":"wtsp.dev","network":"eip155:8453","description":"Whether a number is on WhatsApp and, if so: personal or business account, about text, country, linked devices and whether it runs on the Cloud API. Businesses add their public profile: name, description, categories, email, websites, address, coordinates, hours, join date and Facebook page. No photo; /v1/profile/full adds it. Query param: phone, with country code (e.g. +14155552671). Every answer is charged, “not on WhatsApp” included; a lookup WhatsApp does not answer is free.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1020000,"median_payment_30d_micro":10000,"farm_flag":0,"farm_reasons":null,"sibling_listings":4},{"listing_id":"0aeda01499720c74100bdbca6bf534b73a69b5371ad44efaf2957acabeab9dbe","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/watch/email/hosted-by/rackspace-email","title":null,"network":"eip155:8453","description":"Change watch for is email hosted by rackspace email: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"0b7b5551c99f5e87ef9ec908bb7284f0e596df1373a5b0559130baf1268ce37d","seller_address":"0x0e84ddedaae6a779c462c22a59f301ec31b6b808","verifiability":"base_usdc","resource_url":"https://x402.ottoai.services/domain-report","title":"Otto AI","network":"eip155:8453","description":"One call returns the full domain profile for vetting, deliverability, or phishing/fraud checks: live DNS (A/MX/NS + record counts), RDAP/WHOIS registration (registrar, domain age, expiry, status, DNSSEC) and email authentication (SPF, DMARC policy, detected DKIM selectors) — plus a one-line summary. Bundles three lookups into one hourly-fresh read. Keyless, license-clean, pay-per-call.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":6912000,"median_payment_30d_micro":50000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":68},{"listing_id":"0b8ed891729fc1ee7f8a4cb9f8b0d979d282b650bcd94d317671fd7745f97ca7","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/watch/email/hosted-by/postmark","title":null,"network":"eip155:8453","description":"Change watch for is email hosted by postmark: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"0d20d89bb0262a786aaef772b59ca2c8a9545f98d31fb339785a8e46949f9aed","seller_address":"0x835323c73dd9cf4d0d23054d1ee7c11cfea34d4a","verifiability":"base_usdc","resource_url":"https://crier.vimabrosta.com/v1/email","title":null,"network":"eip155:8453","description":"Send an email from an AI agent to a person: subject, plain text (HTML optional), an optional reply-to. Delivered from a fixed relay address with a footer naming the relay and an unsubscribe link, retried on failure, with a status endpoint you can poll. Addresses that bounce, complain, or unsubscribe are refused to every future sender. Up to 4 per hour and 12 per day to one address. One-time $0.01, no account needed.","category":"communications","category_source":"auto","tier":"listed_only","evidence_state":"insufficient","verified_revenue_30d_micro":410000,"median_payment_30d_micro":10000,"farm_flag":0,"farm_reasons":null,"sibling_listings":2},{"listing_id":"0d311206ea36d4eaaa8f30fda11603e06b8175960b85bf38eeb18da6d9d71fc9","seller_address":"0x19a09691d0a9c4fb80cc40694704a15858c6a454","verifiability":"base_usdc","resource_url":"https://x402.orthogonal.com/peopledatalabs/v5/person/enrich","title":null,"network":"eip155:8453","description":"Enrich a person by name, email, phone, LinkedIn URL, or other identifiers. Returns full profile with work history, education, skills, and social profiles.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":13550000,"median_payment_30d_micro":350000,"farm_flag":0,"farm_reasons":null,"sibling_listings":4},{"listing_id":"0d6442ac95cec8cdf3a2383e9c1aead31808cfb001e28844e2602e5b31c3a6cc","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/email/hosted-by/godaddy-email","title":"is-email-hosted-by-godaddy-email","network":"eip155:8453","description":"Is the domain's email hosted by godaddy email? Looks up the MX records (Cloudflare DoH) and matches them against godaddy-email's mail-exchanger patterns, returning yes/no, the MX hosts and which matched. Provider detection for deliverability, sales and migration work. $0.01 per lookup.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"0d705a63c180f7c052c9648b4c65a0bd77636dbf4ac9f12c7158f234d7f6c091","seller_address":"0x60fd97850059df9600c4e26f09ac58ef51561963","verifiability":"base_usdc","resource_url":"https://api.zkrobotics.fr/x402/domain/email","title":"AllTheBot Email domain check","network":"eip155:8453","description":"MX records, SPF and DMARC check of a domain: does it accept email, its mail servers, SPF policy, DMARC policy and detected deliverability issues. DNS only, no SMTP.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":14692008,"median_payment_30d_micro":587809,"farm_flag":0,"farm_reasons":null,"sibling_listings":45},{"listing_id":"0e4bbbff1a21b0ebe71978ee1e37f98e5ff5c99eca71199bb410ab680b35701e","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/watch/email/hosted-by/tutanota","title":null,"network":"eip155:8453","description":"Change watch for is email hosted by tutanota: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"0ec4e3e3c583533e25e4b7b68c267a250a42acbbd46260275071eae5fea2d3a5","seller_address":"0xad62f03c7514bb8c51f1ea70c2b75c37404695c8","verifiability":"base_usdc","resource_url":"https://gateway.spraay.app/api/v1/webhook/list","title":null,"network":"eip155:8453","description":"List registered webhooks.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":2290000,"median_payment_30d_micro":10000,"farm_flag":0,"farm_reasons":null,"sibling_listings":32},{"listing_id":"0f12b66d556d84f94f60153d5f6fa434d350eae6ea1c9e353e4f6661fe602125","seller_address":"0x24a5ec14de5dbf0ed1e27784d63d22dc9451998f","verifiability":"base_usdc","resource_url":"https://x402.orthogonal.com/findymail/api/search/domain","title":null,"network":"eip155:8453","description":"Find contacts with valid emails at a given domain with given roles. Limited to 5 concurrent sync requests.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":855000,"median_payment_30d_micro":70000,"farm_flag":0,"farm_reasons":null,"sibling_listings":10},{"listing_id":"0f7c6004e3e4ab7c202d6ca86499aabb2ac1cddfb9320da2063b780d9d85571b","seller_address":"0x76a672eee56d29d475b0715cc03b8c99d70ec8a2","verifiability":"base_usdc","resource_url":"https://api.sirenic.eu/v1/eu/entreprise/GB/:company_number/beneficiaires-effectifs","title":"Sirenic","network":"eip155:8453","description":"UK persons with significant control (PSC register) live from Companies House, for KYB and group-structure checks: LEGAL-ENTITY controllers only (corporate entities, legal persons) with natures of control (ownership/voting bands), notification dates and register identification, plus official PSC statements. Natural-person controllers are COUNTED, never named (GDPR, CJEU C-798/24, since 2026-09-19). Ceased PSCs excluded by default (inclure_cesses=true adds them).","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":16180000,"median_payment_30d_micro":20000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":122},{"listing_id":"0faf8d3a809c5cb525a75fced5740ad09a09d6fd1c34f64919e3d1be7032e4bd","seller_address":"0x90b0dc893406d6ea63bb077ed59f5e8340f98d84","verifiability":"base_usdc","resource_url":"https://x402.freeq.one/tools/wallet_checksum","title":"x402-gateway","network":"eip155:8453","description":"Ethereum Address Checksum: Convert an Ethereum address to its EIP-55 checksummed form. SIWE messages require the checksummed address on line 2 before signing. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/wallet_checksum.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1010685,"median_payment_30d_micro":10000,"farm_flag":0,"farm_reasons":null,"sibling_listings":44},{"listing_id":"110480b04502d2a6d9292ac360fb26d80db9ee097012c27872555d1e7b6f4428","seller_address":"0x081d7f97ca4478dac465569e1fe3f5846ad598dd","verifiability":"base_usdc","resource_url":"https://mcp.zensched.com/x402/tools/account_setup","title":"ZenSched","network":"eip155:8453","description":"ZenSched `account_setup` — Cold-start snapshot of your org: account, brands, policies, webhooks, API keys (redacted). Use with account_activity to resume work in a fresh session. Pay-per-call $0.01 USDC; the paying wallet owns the org (auto-provisioned on first call). Catalog: https://mcp.zensched.com/x402/tools","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":10000,"median_payment_30d_micro":10000,"farm_flag":0,"farm_reasons":null,"sibling_listings":20},{"listing_id":"116c7b705652e8c68e5f4994d79086ebf0aa79e158e8bec03d5969caca112983","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/email/hosted-by/symantec-messagelabs","title":null,"network":"eip155:8453","description":"Is the domain's email hosted by symantec messagelabs? Looks up the MX records (Cloudflare DoH) and matches them against symantec-messagelabs's mail-exchanger patterns, returning yes/no, the MX hosts and which matched. Provider detection for deliverability, sales and migration work. $0.01 per lookup.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"119d5b03194b4c0a85f308d98a65d426bae320362432062dee7541347db72ec0","seller_address":"0xd2bc1daa83f64729bfb3f825e690f3fce13e1aa2","verifiability":"base_usdc","resource_url":"https://agentrxi.com/v1/email/send","title":"AgentRXI","network":"eip155:8453","description":"Send one plain-text email to one recipient from agent@mail.agentrxi.com, with your display name and an optional reply-to. Every message carries a footer naming the AI sender with one-click unsubscribe. Anti-abuse: 20 emails per wallet per day (5 for new wallets), 2 per recipient per wallet, no phishing, credential requests, link shorteners or brand names; wallets that draw complaints are blocked. Also callable as GET with the same fields as query parameters.","category":"communications","category_source":"auto","tier":"listed_only","evidence_state":"insufficient","verified_revenue_30d_micro":550000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":505},{"listing_id":"11a1e31ab0fca418d8d5fefabc766b5631ecc832add9d81fcf58248897e1ec24","seller_address":"0x8bc2aecdd86097f74a1a5fa17764108d9a683c8c","verifiability":"base_usdc","resource_url":"https://market.datapackvibe.com/x402/email-draft-recruiting","title":"Recruiting Email draft builder","network":"eip155:8453","description":"Recruiting Email draft builder: Draft a short email from a purpose, audience, key points, and tone. Tailored for recruiting workflows.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":163060000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":17219},{"listing_id":"12266e9d8b1cf00a5d0865367711355ea86bc669b6a2ae8748d80cc7f17add3b","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/watch/email/hosted-by/yandex-mail","title":null,"network":"eip155:8453","description":"Change watch for is email hosted by yandex mail: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263},{"listing_id":"124262c01a42c7b95985e621f0722f02641f1f63ead7f3610ca2dc964726ff18","seller_address":"0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3","verifiability":"base_usdc","resource_url":"https://email.intel.rallylive.ca/watch/email/hosted-by/sparkpost","title":null,"network":"eip155:8453","description":"Change watch for is email hosted by sparkpost: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.","category":"communications","category_source":"auto","tier":"verified","evidence_state":"verified","verified_revenue_30d_micro":1700000,"median_payment_30d_micro":10000,"farm_flag":1,"farm_reasons":"[\"listing_count>50\"]","sibling_listings":1263}]}