Seller profile
a2a8df0f7caa
✓ Verified revenue farm patterns
Address 0xa2a8…c8aa
· chain: Base · first paid transaction 2026-09-27 · a published verified seller outside the top 50
Revenue is attributed to this seller address, which covers 515 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)
- $2.311
- Verified revenue (all observed)
- $2.311 across 6 payments
- Buyer concentration
- 98%3 top buyer — most revenue comes from one buyer
- Longevity
- 2026-09-27 first observed payment · last 2026-10-13
- Median payment (30d)
- $0.014
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.
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AlphaFold predicted protein structure for a UniProt accession or gene - confidence bands and download links — seller-asserted
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Real-time earthquakes worldwide (USGS) - magnitude, depth, location and time, filterable by magnitude and radius — seller-asserted
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Gene reference from MedlinePlus Genetics - full name, normal function and related health conditions — seller-asserted
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ICD-10-CM diagnosis code search by condition text or code, with descriptions and billable flag — seller-asserted
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Prompt injection defense for agent workflows - trust boundaries, content labeling and external authorization — seller-asserted
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MCP server security scan - tool poisoning, prompt injection and risky capabilities before you connect — seller-asserted
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CSV to JSON converter - parses quoted CSV with a chosen delimiter and header row into an array of objects — seller-asserted
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Percentage calculator - percent change between two numbers, percent of a number, what percent one number is of another, and increase or decrease by a percentage — seller-asserted
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Recent preprint search on the Open Science Framework - title, abstract, DOI and link across PsyArXiv, SocArXiv and other servers — seller-asserted
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IP address lookup - network owner, CIDR range, abuse contact, registration dates, reverse DNS and geolocation — seller-asserted
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PyPI package documentation - README, version, license, install command and table of contents — seller-asserted
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Embedding and retrieval evaluation for RAG - judged queries, hard negatives and stage metrics — seller-asserted
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Full text of a U.S. Code section with structure, citation and recent amendments — seller-asserted
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Validate and repair structured model output - truncation vs syntax errors, JSON Schema and semantic checks — seller-asserted
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Agent Evaluation-Test Generator — AI & Agents — seller-asserted
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Rule of 72 doubling-time calculator - approximate and exact years to double — seller-asserted
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US economy snapshot - fed funds, CPI and core inflation, unemployment, payrolls, GDP, mortgage rate, Treasury yields, VIX, oil and jobless claims with changes and year-over-year — seller-asserted
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Planting window dates from local frost dates and crop maturity - indoor start, transplant and harvest — seller-asserted
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Airdrop and Claim Scam Verification — On-chain & DeFi — seller-asserted
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Insurance deductible cost-share calculator - member cost and plan cost from allowed amount and coinsurance — seller-asserted
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US Treasury official exchange rates - quarterly foreign currency units per US dollar for any country or currency, used in federal reporting — seller-asserted
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Bitcoin transaction details - confirmations, block, fee and fee rate, inputs and outputs — seller-asserted
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LOINC laboratory test code search - codes and names, with deprecated codes flagged — seller-asserted
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Author profile - birth and death dates, top work, work count, subjects, bio and alternate names from Open Library — seller-asserted
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Optimism contract introspection - wallet vs contract, proxy detection, bytecode size and ERC-20 name, symbol and supply — seller-asserted
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Price a SaaS, API or x402 product - billable unit, cost-to-serve, usage percentiles and margin — seller-asserted
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Document Parsing, OCR, and Layout Quality — AI & Agents — seller-asserted
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Asteroid and comet lookup (NASA/JPL SBDB) - hazard flags, size, orbit and next close approaches — seller-asserted
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Nobel Prize laureates by name, year or category - prizes, motivation, share and affiliations — seller-asserted
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Brazilian phone area code (DDD) to state and covered cities — seller-asserted
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Concrete volume estimate for a rectangular pour with waste allowance - cubic meters and liters — seller-asserted
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Base account nonce - confirmed and pending transaction count for any address — seller-asserted
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CAGR calculator from start value, end value and years - growth multiple and annual rate — seller-asserted
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robots.txt rules for a user-agent - allow and disallow rules, crawl delay and sitemap URLs — seller-asserted
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x402 endpoint trust report - repeated 402 probes, price stability, latency and Coinbase Bazaar usage — seller-asserted
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Old GPU crypto mining guide - profitability check, drivers, NVIDIA miners, pool setup and undervolt tuning — seller-asserted
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Packagist package info - latest version, license, description, requirements and release history for any PHP Composer package — seller-asserted
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Build an AI agent that pays with x402 - read the 402, choose accepts, sign and retry with a payment — seller-asserted
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Optimism read-only contract call (eth_call) - return data, with reverts reported cleanly — seller-asserted
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Protein Data Bank structure lookup by PDB id - method, resolution, chains, ligands, citation and files — seller-asserted
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U.S. case law search across federal and state court opinions (CourtListener), sortable by relevance, date or citations — seller-asserted
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NYC subway real-time arrivals at any station - line, direction, destination and minutes away — seller-asserted
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Resolve a DOI to publication metadata - citation text, identifiers and source links — seller-asserted
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Base block by number or latest - hash, time, transaction count, gas used, base fee and miner — seller-asserted
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Optimism ERC-20 token transfer history - decoded Transfer events, filterable to one wallet — seller-asserted
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BNB Chain read-only contract call (eth_call) - return data, with reverts reported cleanly — seller-asserted
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Agent Wallet Spend-Policy Guide — Wallets & Self-Custody — seller-asserted
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Childcare staffing ratio calculator - children per adult and adults per child — seller-asserted
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Productize a technical service - one result, client inputs, pass/fail deliverables and pricing — seller-asserted
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French company register lookup - search Sirene by name or SIREN for legal form, activity code, status, address, headcount band and revenue — seller-asserted
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Card BIN lookup - network, type (debit, credit, prepaid), brand, issuing bank and country from the first 6-8 digits — seller-asserted
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Boston MBTA service alerts in effect now, filterable by route — seller-asserted
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Company fundamentals from SEC 10-K filings - revenue, net income, EPS, cash flow, assets and debt for 4 years — seller-asserted
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Optimism contract event logs - raw logs for a contract, filterable by event topic, newest first — seller-asserted
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Climate projection for any latitude and longitude - future mean temperature, annual rainfall, days over 30C and frost days versus a 1990s baseline — seller-asserted
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Historical weather for a location and date range - average highs and lows, precipitation, snowfall, wind, hottest and wettest days since 1940 — seller-asserted
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Whale signal validation - transfer vs trade vs contract action, size normalization and backtest — seller-asserted
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Read Solana mint and freeze authority directly via RPC getAccountInfo, without trusting a scanner — seller-asserted
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Base contract event logs - raw logs for a contract, filterable by event topic, newest first — seller-asserted
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German Autobahn roadworks, closures and warnings by road - A1, A7, A8 and more with location, extent, start time and blocked status — seller-asserted
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Savings goal calculator - months to reach a target from monthly savings, current balance and interest rate — seller-asserted
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BNB Chain wallet balance - native BNB plus up to 20 BEP-20 token balances in one call — seller-asserted
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Packaged food lookup by UPC or EAN barcode - name, brand, ingredients, allergens, Nutri-Score and nutrition facts — seller-asserted
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NFT owner of an ERC-721 token (ownerOf) on Base, Ethereum, Arbitrum, Optimism or Polygon — seller-asserted
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Bitcoin address balance and transaction history - confirmed and pending balance, totals and recent transactions — seller-asserted
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Federal Register rules, proposed rules and notices by keyword, agency and date, with effective dates and comment deadlines — seller-asserted
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All U.S. State Department travel advisories, optionally filtered by level — seller-asserted
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Client Qualification and Paid Discovery — Business & Operations — seller-asserted
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Great-circle midpoint between two coordinates - latitude and longitude — seller-asserted
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Biological pathways for a gene or protein (Reactome) - pathway ids, names, disease flags and links — seller-asserted
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UK food hygiene rating lookup - 0 to 5 FHRS rating, inspection date, scores and local authority for restaurants and takeaways by name and town — seller-asserted
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NuGet package info - latest stable and prerelease version, total downloads, authors, tags, license and recent stable versions for any .NET package — seller-asserted
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Initial great-circle bearing between two coordinates in compass degrees — seller-asserted
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x402 endpoint validator - checks a URL returns a well-formed 402 challenge with valid accepts per network — seller-asserted
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Solana token OHLCV price history (day, hour, minute candles) from the highest-liquidity pool — seller-asserted
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Optimism token verdict - send a token contract address, get a 0-100 risk score: is it a scam or honeypot, buy/sell tax, owner privileges, liquidity — seller-asserted
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Solana transaction failure resolver - first failing instruction, wallet vs RPC vs program cause, safe fix — seller-asserted
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Domain WHOIS and availability check - registration date, age, expiry, registrar, nameservers and DNS records via RDAP — seller-asserted
- USDC transfers on Base to 0xa2a8…c8aa, blocks 51865224–52535619, 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/a2a8df0f7caa · Back to rankings