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229 results
- x402helper.xyz/test-billing
Paid test endpoint — verifies that AI agents can successfully complete x402 micropayments
API✓ Verified100% upx402 - alest-x402.alest.workers.dev/v1/ping
alest.io x402 test endpoint. Returns a signed-off JSON confirming the payment. Useful to test agent payments on Base.
API✓ Verified100% upx402 - tollbooth-hello-testnet.sjwilliams8.workers.dev/hello
Test endpoint for verifying x402 payment integration end to end. Returns a static greeting in the Agent Tollbooth standard response envelope. Not a data product — use it to smoke-t
API✓ Verified100% upx402 - x402.nexari.cloud/hello
B2B only. Paying accepts AGB/terms https://x402.nexari.cloud/legal/agb/58bf28adb3823f1418b74e12f1995e5e8629ccbf6fb7d73b6174355c14f1411f. Hallo Welt der Nexari GmbH: kleinster bezah
API✓ Verified100% upx402 - Adyen Test Cards API
The Test Cards API provides endpoints for generating custom test card numbers. For more information, refer to [Custom test cards](https://docs.adyen.com/development-resources/testi
API100% up - api.inboxguardstest.com/v1/report
Test why a real sent email lands in spam: SPF, DKIM, DMARC and deliverability report. $0.05 USDC on Base per call. Get a free test address via POST /v1/tests, send one email to it,
API✓ Verified100% upx402 - x402.sniperx.fun/api/v1/ping
Health check endpoint for x402 payment flow testing
API✓ Verified100% upx402 - JSONPlaceholder
Free fake REST API for testing and prototyping
API100% up - smx.space/v1/markets/:id/mid
Read SMX (Space Markets Stage 1) testnet event markets on space milestones, e.g. Starship Flight 14 and The Moon Race, on Base Sepolia (eip155:84532): list markets, market detail,
API✓ Verified100% upx402 - up2itnow0822/x402-testnet-server
Base Sepolia x402 test endpoints for agent wallet integration partners
API100% upx402 - quartermaster.surewhynot.app/v1/regex
Test a regular expression against text and return every match with numbered and named capture groups. Deterministic.
API✓ Verified100% upx402 - api.hivemindos.app/v1/x402/testnet-faucet/claims.create
Testnet faucet claim: sends testnet gas or test stablecoins to your address on Base Sepolia, Ethereum Sepolia, Solana Devnet, Robinhood Testnet and more. Use when an agent or CI jo
API100% upx402 - AWS Device Farm
<p>Welcome to the AWS Device Farm API documentation, which contains APIs for:</p> <ul> <li> <p>Testing on desktop browsers</p> <p> Device Farm makes it possible for you to test you
API100% up - longevitypulse.theaslangroupllc.com/api/longevity/biomarker
Biomarker / blood test interpretation (lab result analysis) for longevity and health agents. Reads any lab value (ApoB, hs-CRP, HbA1c, IGF-1, Lp(a), testosterone, ferritin) through
API✓ Verified100% upx402 - tollbooth-hello.sjwilliams8.workers.dev/hello
Test endpoint for verifying x402 payment integration end to end. Returns a static greeting in the Agent Tollbooth standard response envelope. Not a data product — use it to smoke-t
API✓ Verified100% upx402 - url2md-testnet.url2md.workers.dev/v1/md
PDFs, JavaScript pages and ordinary HTML as clean Markdown. Pays a page's x402 toll for you. Follows robots.txt.
API✓ Verified100% upx402 - agent-market-one.vercel.app/v1/fed/calendar
Upcoming Federal Reserve FOMC meetings, press conferences, speeches, testimony and releases with ET times, speakers and a market-moving flag.
API✓ Verified100% upx402 - Postman
Tool for testing APIs
API100% up - energy.halowerk.com/demo/paid-sample
Cheapest end-to-end x402 purchase test. Always returns a 402 challenge without payment and the current full NegPrice decision after a valid USDC payment.
API✓ Verified100% upx402 - truthpulse.theaslangroupllc.com/api/truth/media-vs-record
Media narrative vs court record for journalist and researcher agents. Compares mainstream reporting against the actual court record, ME testimony, and admitted evidence.
API✓ Verified100% upx402 - truthpulse.theaslangroupllc.com/api/truth/evidence-extract
Forensic evidence extraction for researcher and journalist agents. Returns toxicology levels, autopsy findings, ME testimony, and DNA results exactly as entered into the court reco
API✓ Verified100% upx402 - cyre.dev/api/policy/check
Cyre Policy Check — test a proposed pay (amount, host, network, risk) against a sealed spend-policy token. Returns ok + reasons. Patterns, not verdicts. Agent guide: https://cyre.d
API✓ Verified100% upx402 - open-pay.jp/api/paid/hello
End-to-end smoke test for x402 clients: returns a greeting plus the settlement timestamp, so an agent can prove its payment path works before spending on real data.
API✓ Verified100% upx402 - Cloud Testing API
Allows developers to run automated tests for their mobile applications on Google infrastructure.
API