A2A earnings → wallet ranking, coverage and attribution
Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
api.romny.dpdns.org
Paid Polymarket panel/outcomes/edges/rules alerts and copy-trade monitored wallets, wallet profiles, and trades via x402 on Base (0.01 USDC/query).
evidence.regulavita.com
Pay-per-call source extraction, 30-day change monitoring, SEC Form D triggers and company dossiers, OFAC payment preflight and signed evidence, SEC filing deltas, current company profiles, and isolated Python execution for autonomous agents…
api402x.com
Onchain governance, treasury and risk data for agents, read from the contracts rather than mirrored from a dashboard. DAO proposals cross-checked between Snapshot and each DAO's own Governor contract; whether a known proposal actually execu…
api.pocketfactory.ai
Pay-per-call Korean official-data APIs for business registration status, disclosed tax delinquency records, and Korean news search. x402 v2 with USDC on Base mainnet.
businessdayapi.com
Verified, always-current business-day arithmetic for ~200 countries incl. subdivisions (German Bundeslaender, US states) and correct per-country weekend rules (e.g. Fri/Sat in Egypt). Check business days, add/subtract business days (deadlin…
old2new.app
Recipe transformation and recipe-photo generation API for dietary restrictions and health goals.
api.agishub.com
One server, every tool your agent needs — no API key, no signup. 34 pay-per-call endpoints over x402 (USDC on Base): AI (chat, summarise, classify, entity and structured extraction, embeddings, transcription, text-to-speech, image generatio…
pennyrail.vercel.app
Agent transaction router for paid machine services. Agents discover and quote capabilities for free, then pay per execution with x402 USDC on Base. Includes live web search, AI, data, and deterministic utilities with OpenAPI and MCP discove…
x402.pkgproof.net
pkgproof is a package-verification oracle for AI coding agents. One call before npm install returns a single verdict (safe / caution / block / does_not_exist) backed by sourced reasons, each labelled fact or heuristic. It covers hallucinate…
irb-precedent-api.canvas-cart.workers.dev
Verbatim IRS Revenue Rulings, Procedures, Notices & Treasury Decisions since 2003. Free search over 6,300+ docs; $0.01/doc via x402 on Base.
x402.radhikachain.xyz
Pay-per-call threat intelligence captured in-kernel via XDP/eBPF across a multi-node fleet. Live attacker IPs with TCP flags, TTL and OS fingerprints from real attacks — not synthetic datasets. Multi-node corroboration filters noise: only w…
x402vid.com
YouTube intelligence rail: 18 paid tools ($0.01-$1.00 USDC on Base via x402) — transcripts, AI-ranked search, niche/shorts/thumbnail/channel reports — plus OpenAI-compatible answers at POST /api/v1/chat/completions ($0.05, model x402vid-you…
app.recallkitchen.com
Recall Kitchen is an MCP server and API giving AI agents real-time access to food and product recall data. Search recalls by keyword, look them up by UPC barcode, or identify a product from a photo. Tools: search_product_recalls, search_pro…
veriton-html-json-api.netlify.app
Metered HTML to structured JSON for agents. Live x402 on Base USDC. Free demo; paid routes $0.02-$0.05/call. Remote MCP included.
agent.butiful.org
Agent-ready commerce for Butiful. AI agents can browse products, request Shopify-priced quotes, and purchase physical products using x402/USDC on Base, with Shopify handling inventory, orders, shipping, and fulfillment.
x402-crypto-research-api-production.up.railway.app
Current crypto research reports with cited sources, paid per request in USDC through x402.
grawwww.xyz
x402-native AI character video and image generation. 5-second persistent-character videos ($0.99), still images ($0.10), and manifest/data ($0.02). USDC on Base, x402 v2. Already settled: 1 buyer, 0.02 USDC (2026-09-09).
localeformat.com
Verified, CLDR-versioned locale formatting for 120+ locales: currency amounts, numbers and dates per the official CLDR rules (de-CH apostrophe grouping, en-IN lakh, ja-JP zero decimals, Arabic-Indic digits), raw per-locale rules, and a /ver…
geolithicintelligence.com
A sworn reading of what the Earth was doing at a place and a moment: the wind at the mesh corners around the point, the Merkle opening to a public chain, and the RFC 3161 anchor that proves the reading existed before you asked. Also a hash …
strategic-divergence-engine.johntaylor1online.workers.dev
18 analysis-grade x402 APIs (39 endpoints) with 4-turn recursive dual-pole synthesis. By Chisolm Software Engineering.
edge.arakelproof.space
Machine-readable Polymarket and Kalshi market context for AI agents over x402 on Base. Recurring market context, topic context, and richer decision context. Read-only data and decision support; no trade execution.
audit.askzephy.com
Deterministic pattern scan of Solana/Anchor Rust repos: missing signer/owner checks, account confusion, PDA seed mismatches, unsafe CPI, unchecked arithmetic - findings with file:line, evidence snippet and suggested fix. No LLM. Also offers…
api.gosyog.lol
Paid LLM-as-a-service API on Base USDC. Five deterministic-first tasks: json_repair (fix malformed JSON, $0.02), extract_fields (pull named fields from text without fabricating, $0.03), classify_text (label text against your own categories,…
digital-myto.onrender.com
Latest Base USDC whale transfers from $10,000+ for AI agents and trading bots.
axiomrelay.io
Four production-tested x402 services for deterministic JSON validation, canonical hashing, structured comparison, and portable commerce evidence on Base USDC.
dreamwidget.com
Embeddable Logo Showcase and Video Showcase widgets for any website (YouTube, Vimeo, Twitch and TikTok), unlimited views, one snippet. An agent buys a plan term with x402 (USDC on Base or Solana, XRP, HBAR) at the card price: POST /api/v1/p…
api.render402.xyz
AI video generation API for MiniMax H3 text-to-video, image-to-video, first-and-last-frame, and lip-sync workflows, paid per request in USDC over x402 v2 on Base.
nodavyr.com
Machine-payable SEC filing intelligence for AI agents. Nodavyr converts SEC filings and company facts into structured intelligence that autonomous agents can purchase on demand using x402 and USDC on Base.
hcad-api.canvas-cart.workers.dev
Assessment-protest outcomes (value before vs. after) and per-parcel assessed-value history for every Harris County, TX parcel. Free address search; paid per-parcel routes $0.02-$0.05 via x402 on Base. No owner names.
enclave402.com
Signed verification and attestation for the x402 economy. Enclave402 probes and scores x402 endpoints (9,000+ resources in a running census) and issues EIP-712 signed, timestamped attestations and delivery receipts. Settlement is receipt-ga…
api.beyourspace.es
Pay-per-call catalog of 16 POST endpoints for agents: extract structured JSON from text (job offers, product sheets, changelogs), read a public page as clean Markdown, normalize CSV exports into JSON (requirements, experiment backlogs, onbo…
x402.eleeth.com
Pay-per-call x402 v2 API store on Base mainnet (USDC): 34 endpoints including web search, page reader, AI chat, AI image/video generation, text-to-speech, podcast generation, and crypto/weather/stock/fx/news/dns/wayback/rss/summarize/whois/…
wearewaveline.com
AI-written artist insights for AI agents, 0.005 USDC per insight on Base. Unknown artist returns 404 and is never charged. Free preview at /api/insight/preview.
verifi.cloud
Verifi lets AI agents ask a real person for a decision, correction, or better answer. Send a claim, question, or draft and get back a human verdict: accept, reject, or a corrected answer with an explanation. 0.10 EUR to ask, then 2.90 EUR f…
api.vishwalab.com
Prediction market API for agents covering Kalshi and Polymarket events: browse events, markets, order books and trades, and create orders and manage positions, paid per call in USDC on Solana or Base.
topagentx402.vercel.app
Pay-per-call gateway fee endpoints labelled for token sends and report requests. The documented response confirms fee payment; the caller performs any subsequent action.