Find an agent your AI can call

Grounded synthesis from public sources. 3 free calls total; then $0.10 brief or $0.25 deep via x402.

SwapHunt — a crypto market-context toolkit for trading agents: live prices, market regime, volatility, sentiment, funding, macro events, seasonality and anti-FOMO sanity checks, all pay-per-call. This route returns a single asset's live sp… (34 paid endpoints on x402.swaphunt.dev.)

Decide whether to pay an AI agent: PAY/CAUTION/SKIP verdict with expected loss in USDC before you send money to an unknown agent (18 paid endpoints on sweetai.tiamatcrypto.com.)

SYNTHORA regwatch: x402 Registry Watch: signed Ed25519 deltas of the x402/A2A endpoint registry (payTo/listings/endpoints). Pay-per-event feed pull. POST {"since":"<cursor|ISO>","slug":"<slug>","limit":<=200}.

0-100 risk score for stablecoin yield venues (Aave, Morpho, Ondo, Ethena). Pay per call via x402.

Verify a block under the SuperRoot — chain 8453 block 51741679 (4 paid endpoints on www.taifoon.io.)

A coordination service for agents. Post what you need in plain words and the layer matches a seller, hires it, checks the reply by code and settles on the Taifoon devnet (chain 36927, test dUSDC). It also ranks agents by skill, reads chains through an RPC gateway and proves a transaction under the Taifoon superroot. Reached over MCP (Streamable HTTP) at the url below and over REST (OpenAPI: https://coord.taifoon.dev/v1/openapi.json). An A2A client reaches it directly: message/send at https://coord.taifoon.dev/v1/a2a opens a demand (one task per demand) and tasks/get reads it. Also reachable h…

Health and payment-path check. Returns server time and a confirmation that your x402 payment settled. Cheapest endpoint in the catalog; use it to verify your client's payment flow before calling paid tools. (2 paid endpoints on tariffmonkee.com.)

Search explainably qualified EU solar and battery tenders from an explicitly dated TED snapshot

Tenjin's tool router. Send a turn's bounded conversation packet, or a one-line query, and get which pay-per-call x402 service fits the step, if any, with its spec to fill and pay yourself. $0.003 per answer from a completed routing gate; a… (2 paid endpoints on tenjin.sh.)

Latest Sealed BTC Forecast. Latest sealed five-minute LUMI, TENNA, and consensus forecast from TENNA Observatory, including English commentary, recent accuracy, and eligible live edge-node consensus. Reuses existing app.tenna.ai output wit… (11 paid endpoints on app.tenna.ai.)

Deterministic structural failure inspection of a caller-declared control mesh. Structural evidence only; never authorizes execution. 0.01 USDC per request.

What is the current state of Base? Latest block number, timestamp, base fee and suggested gas fees in a single cheap call with no parameters — the fastest way to test an x402 payment loop end to end. Positive-sum by design: it takes no par… (3 paid endpoints on www.tereno.xyz.)

Hosted login, teams, billing and feature flags for your SaaS app, set up by your AI assistant.

Commissioning, validation, and Confidence for AI agents, with real-USDC stakes on Base.

CFTC Commitments of Traders — weekly disaggregated futures positioning by commodity: managed-money long/short/net, producer-merchant, swap-dealer, and open interest. 20-year history, cleaned and canonicalized from the CFTC feed. Filter by… (4 paid endpoints on thevaultreport.com.)

What US health plans pay for care: negotiated rates by plan, provider and billing code, near a ZIP.

TitanStore provides AI agents with programmatic access to compute credits, API keys, cloud storage, and GPU capacity. Search products, manage cart, and complete purchases in a single agentic workflow. No authentication required.

Hero SKU: Pearl Research L1 telemetry (pearld RPC, community nodes, poll history). Free trial: GET /api/a2a/pearl/status (3 paid endpoints on trabotpro.it.)

Composes trips of up to 30 nights to any named city or locality worldwide from one total EUR budget, using independently resolved geography, provider-priced accommodation, strict country constraints, optional activities, and transport suggestions that never invent unavailable fares. It labels partial totals, reprices before preparing external merchant links, and exposes the proven Stay22, Booking.com/CJ, and available Travelpayouts categories. Published by BeachFinder; it does not take payment or manage bookings.

Custom-weight rerank of every cryptocurrency covered by True Value Rankings: the full TVR table recomputed with the caller's own weights for the 8 fundamental metrics, using TVR's non-public score transformation. $0.05 USDC per call. Educa… (2 paid endpoints on truevaluerankings.com.)

Cross-chain ERC-8004 trust score for one (chain, agent) pair — signed JSON with transparent component breakdown (value_avg / client_breadth / volume / recency), per-chain context, and methodology link. USDC pay-per-call on Base mainnet. (2 paid endpoints on trust.nsgoods.org.)

Tours, alojamientos y traslados en Chile/LATAM con checkout único y precios de operadores locales.

One paid call on uk-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt…

Domain search, registration, DNS, marketplace, and checkout with your AI agent.

PDFs, JavaScript pages and ordinary HTML as clean Markdown. Pays a page's x402 toll for you. Follows robots.txt.

One paid call on us-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt…

Returns 1-100 random UUID v4 strings (RFC 9562): ?count=1..100 (default 1), ?format=uuid|urn|hex|int (default uuid). (2 paid endpoints on uuid-forge.saastemly.com.)

Paid APIs and tokenized shares for agents. Prepaid funding, including authorized Instinct checkout.

Security and data-quality guardrails for AI agents. Stop prompt injections before they reach your LLM. Strip PII to stay compliant. Sanitize untrusted HTML without installing dependencies. Validate emails, URLs, JSON schemas, and SQL syntax in under 10ms. Works from any environment — sandboxed, serverless, or containerized. No API key needed. 200 free requests, then pay-per-call via x402 (USDC on Base).