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?
x402.nexusword.it
Machine-payable utilities for autonomous agents: JSON normalization, line cleanup, JSON extraction, text QA, code risk scanning, JSON diff and paid liveness.
xibzsthfrbomefnvbicb.supabase.co
M2M legal-code gateway for Web3: Solidity security dry-run engine (9 breach scenarios, gas asymmetry ratio, ERC-4626 vault awareness), bilingual EN/ID legal-code contract generation, and structured data payloads. x402 payments in USDC on Po…
tools.tokenbooth.io
A paid x402 service that turns messy location clues into structured place data. Send a landmark, partial name, full address, neighborhood hint, coordinates, nearby reference, venue description, intersection, airport terminal, business na…
grader-al6bxcngia-ue.a.run.app
Audit an ecommerce storefront for AI-agent shopping readiness. Fetches the store server-side and runs 20 weighted checks, returning an A–F grade with prioritized fixes. Pay-per-call: $1.00 USDC per call via x402 on Base mainnet. No subscrip…
x402git.com
Marketplace for paid access to private git repositories and agent skills over x402. One USDC payment on Base buys a signed download of a security-scanned release zip; versions you own re-fetch free, forever. Every listing has a free manifes…
wodan-posture.app.goedvps.com
Access-posture reports for agent data sourcing. Given any public URL it answers whether an agent can treat that page as a machine-readable source and what stands in the way: robots.txt verdict for the exact path, bot-wall vendor fingerprint…
authichain.com
Signed product verification for agents. Unpaid POST /api/x402 returns HTTP 402 for $0.05 Circle USDC on Base. Humans pay on published Stripe Payment Links at /pricing (Passport $49, EU DPP Readiness $299).
kunzum.xyz
Plain-English x402 agentic-payments guide with a live tips API: agents tip 0.05+ USDC on Base and are recorded in a public log.
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…
revenue-swarm.com
Machine-buyable EU procurement intelligence with autonomous x402 products from micro lookups through focused $5 and $49 tender research.
vweatherstation.com
VWeatherStation exposes a machine-payable weather API. Two families of endpoints: (1) General weather — current conditions + 7-day forecast for any latitude/longitude. (2) Prediction-market settlement data — temperature, rainfall, wind an…
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/…
mcp.jithox.com
Pay-per-call EU VAT and e-invoice checks for agents: live VIES VAT-number verification, VAT-number format/checksum validation, Peppol participant lookup, structural EU invoice validation and an e-invoice readiness assessment. 0.01 USDC per …
x402.rendraputra.dev
Read-only due diligence for onchain traders and agents, paid per call over x402 on Base. Three reports: token risk screen (EVM + Solana: honeypot/tax/owner flags, LP lock, mint & freeze authority, holder concentration, liquidity depth, wash…
grist.tools
grist.tools is a catalog of 50 deterministic HTTP micro-utilities for AI agents: fetch and clean pages, convert and split documents, probe media, resolve DNS and domain data. Each endpoint does one thing and returns the same output for the …
brief.hakankose.com
Curated weekly one-page operator brief for AI agents: pick a focus (base_agents or id_seller_ops) and get 3-5 sourced facts with urls and dates, exactly 3 moves doable in 14 days, and one do_not. Hand source-checked weekly, not generated pe…
farside.science
Independent human consultation for AI agents choosing outside help within their existing permissions. Discuss a stalled task, a hypothesis, conflicting results, feasibility or an unusual problem. One payment opens an asynchronous dialogue w…
tpnvisfsoateycjrkrie.supabase.co
Bounded static checks of supplied Base transaction intent before signing. No execution simulation or safety guarantee. $1.99 USDC per check via x402.
x402.alexk.is
OpenAI-compatible chat completions, paid per call in USDC on Base via x402. Send a chat messages array and receive the assistant reply. $0.01 per call, no account and no API key.
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.
api.voipstore.xyz
Virtual numbers and inbound SMS verification codes for AI agents: browse services and countries, buy one number for the target service, then poll /agent/v1/orders/{order_id} until the SMS code arrives. Pay per call in USDC on Base over x402…
x402.foxify.pro
Pay-per-call security preflight for autonomous-agent payment intents. Checks mandate, recipient, merchant, expiry and replay risk before execution and returns an evidence-first decision as JSON.
pepe.108079.xyz
Pay-per-call PEPE-USDT-SWAP trading signals from OKX demo market. Unpaid requests return HTTP 402 with x402 payment terms; after USDC settlement the same request returns the latest signal data via PAYMENT-SIGNATURE retry.
x402.bankr.bot
Paid public web research with exact source quotes and hashes, preserved conflicts and identity ambiguity, a structured brief, and a propose-only receipt. Quick costs $0.50 USDC; Deep costs $2.00 USDC on Base.
playbrightgaming.com
Agent-native public URL verification API. Independently fetch one public HTTP(S) URL and return target HTTP status, final URL, raw response-body SHA-256 content fingerprint, byte length and UTC observation time. $0.0009 USDC per call via x4…
192-255-151-232.sslip.io
On-chain wallet analysis on Base: balances (ETH/USDC), recent transaction count, top interacted contracts, and an AI-generated risk score and summary. Pay-per-call via x402 (USDC on Base), no API key.
www.web3id.xyz
Automated audit of a trading backtest for look-ahead/selection leakage. POST a JSON series; get back a verdict on four leak classes (future-data peeking, min/max used as AUC, inverted rank polarity, over-strong feature false positives) plus…
headless-agent-assurance-v1.vercel.app
x402 v2 microservices for public page reading and evidence-linked MCP endpoint verification on Base USDC.
api.percall.io
Keyless Arc mainnet (chainId 5042) JSON-RPC + early-chain data endpoints for AI agents. Pay per call in USDC via x402 (EIP-3009 transferWithAuthorization, gasless for payer). No API key, no account. Endpoints: /arc (JSON-RPC, 0.002-0.005 US…
feed.magmapirate.xyz
One call returns risk-on or risk-off for the day, today's high-impact prints, and whether a watched show dropped. Price is 0.01 USDC on Base.
trrzfrazbvsfirosqclz.supabase.co
Machine-buyable runtime generation service. One paid call returns one standalone self-contained interactive HTML runtime document generated by Nexus Forge.
x402-data-tools.web4shop-7023.workers.dev
29 pay-per-call endpoints on Base USDC (x402 v2, exact scheme), keyless, no signup. Two decision reports: agent-integration-readiness (five measured checks give a ready / ready_with_caveats / not_ready verdict) and integration-remediation-p…
verify.astranl.com
Signed verification verdicts for agents from official European sources: Dutch and EU counterparty check (KvK register, VIES VAT, EU sanctions, Dutch insolvency register), EU sanctions name screening, Dutch vehicle check by licence plate fro…
opx-status.vercel.app
Task-aware decision intelligence for x402 web-search APIs. Uses recent paid probe evidence to recommend the best currently tested provider plus independent fallbacks before an autonomous agent spends on downstream search.
api.trackrecordsui.com
One crypto allocation per day, fixed after the daily close. Since 12 September 2026 each day is fingerprinted on Sui before execution; earlier days were fingerprinted together on 11 September. Past days per call; today's allocation from 08:…
x402.synthexforge.com
Agent trust and verification APIs for autonomous systems — agent reputation and trusted routing, signed attestation receipts, identity control proofs, evidence ingest and query, track-record attestation, signed research, and document utilit…