Seller profile

837c40e2b4e9

✓ Verified revenue farm patterns
Address 0x837c…77dd · chain: Base · first paid transaction 2026-09-02 · #37 in the verified-revenue rankings

Revenue is attributed to this seller address, which covers 70 catalog listings. Methodology: seller attribution

Updated weekly · data as of 2026-10-13 · method score-v1.0.0 · tracked-catalog data · methodology

Verified revenue (30d): $365¹
Verified revenue (all observed): $383¹ across 292 payments
Real buyers: 12² in 30d · 12² in 90d · 2 repeat in 30d
Buyer concentration: 73%³ top buyer — most revenue comes from one buyer
Longevity: 2026-09-02 first observed payment · last 2026-10-12
Median payment (30d): $0.1⁴

Verified revenue means we can recompute this number from public chain data. It does not mean we endorse this seller or that the service works.

What do they say they sell?

Descriptions and categories below are claims from the seller's own listings, organized by the published category rule — never verified by us. Find by claim, trust by evidence: the evidence is the table above.

HubVibe data-access auto-assigned

Shipping cost and delivery check for any Shopify store: the variant goes into a real cart session and the store quotes its shipping options to your destination. Returns options with prices and days, eligibility (or the store's reason, or the address fields still needed), subtotal and total before ta… — seller-asserted
HubVibe search-retrieval auto-assigned

Bluesky data, live and keyless: a profile with its latest posts and engagement (likes, reposts, replies, quotes), an account search, or a post thread with its replies, from the public AppView. Use it for social listening and influencer checks on Bluesky. Input: mode (profile, search_actors, thread) … — seller-asserted
HubVibe data-access auto-assigned

Base transaction lookup by hash: sender, recipient, ETH value, block, success or failure, gas used and log count, with the receipt folded in, live from Base mainnet. Use it to confirm a payment or transfer landed on-chain. Input: hash (the 0x transaction hash). For the raw receipt use chain.rpc. — seller-asserted
HubVibe data-access auto-assigned

SEC filings / company fundamentals: revenue, net income, diluted EPS, operating income, assets, liabilities, equity, cash and shares outstanding by quarter and year (10-K, 10-Q) as the company reported them to the SEC, from EDGAR's official XBRL API at call time. Name any other XBRL line item; resta… — seller-asserted
HubVibe data-access auto-assigned

Base RPC endpoint, pay per call: any allowlisted read-only JSON-RPC method on Base mainnet (eth_call, eth_getBalance, eth_getLogs, eth_getBlockByNumber, eth_getTransactionReceipt and more) with your own params, no API key. Revert reasons come back as the result. Input: method; optional params. — seller-asserted
HubVibe media-generation auto-assigned

YouTube search and video stats, live: search YouTube or look up videos by id, each with title, channel, upload time, duration, views, likes, comments, live flag and thumbnail from the YouTube Data API at call time. Sort by relevance, date, views or rating; filter by upload date, country and language… — seller-asserted
HubVibe data-access auto-assigned

Exchange rates / currency conversion table: Coinbase's full rate table for one base currency against every crypto and fiat currency it quotes (USD to BTC, ETH, EUR, GBP, JPY...). Use it to convert amounts between currencies. Input: currency code such as USD. — seller-asserted
HubVibe verification-conformance auto-assigned

Website accessibility audit (a11y, WCAG compliance check): WCAG 2.1 level A and AA conformance of any live URL or raw HTML, tested with axe-core in a real headless browser. Returns every violation with rule id, impact, help text and affected node count. Deterministic rules; a check that cannot run r… — seller-asserted
HubVibe data-access auto-assigned

Run Python code in a sandbox: execute Python in Google's hosted sandbox (not on this service's machines) and get the code, its printed output and the outcome back. Use it for calculations, data transforms and checks an agent should not do in its head. Input: code. Questions over BigQuery data: data.… — seller-asserted
HubVibe search-retrieval auto-assigned

Web search with an answer: real-time search of Brave's independent web index, answered from the current results only, with every source URL and title returned, never the model's memory. Use it when an agent needs up-to-date information, latest news, prices or facts from the web. Input: query; option… — seller-asserted
HubVibe verification-conformance auto-assigned

DNS lookup and domain health check: A, AAAA, CNAME, MX, NS, TXT, CAA and SOA records asked of the source, SPF and DMARC email policy parsed, and the HTTPS certificate verified like a browser (issuer, names, expiry, days left, TLS version). Flags missing SPF or DMARC, duplicate SPF and certificates n… — seller-asserted

USDC transfers on Base to 0x837c…77dd, blocks 50781111–52527170, excluding flagged exchange/fan-out senders and self-transfers (exclusion list flags-2026-10-13). Computed 2026-10-13 under score-v1.0.0. Methodology
Distinct unexcluded sender addresses in the window. Methodology
Share of 30-day verified revenue from the single largest buyer. Methodology
Median of unexcluded 30-day payments — an on-chain-observed price signal, not a listed price. Methodology

Machine-readable: /api/v1/sellers/837c40e2b4e9 · Back to rankings