2 APIs · 16 endpoints · Base network · x402 protocol
School Signals (UK school edtech contract renewals, buyer briefs and the England snapshot) and the DfE AI safety evidence toolkit, sold for canonical USDC on Base (eip155:8453, token 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) paid straight to 0x491Fcf30a5aa0483B3cd8C0041d21801F195B3AF. No account, no API key. Credit: 402 Index (MIT)
4 endpoints · $0.03–$295Web data lookups for agents: PDF and document to Markdown, short audio transcription (Whisper), website screenshots, web page to clean Markdown, domain WHOIS (RDAP) with DNS and email security, robots.txt crawl permissions, plus bulk versions of the free tools at https://tools.adamhaleworks.workers.dev/tools/ (tech stack, SEO meta tags, URL status, sitemap URLs, RSS/Atom to JSON, EU TED tender search). No account or API key; each call is paid in USDC on Base (eip155:8453) to 0x491Fcf30a5aa0483B3cd8C0041d21801F195B3AF. Credit: 402 Index (MIT)
12 endpoints · $0.001–$0.01pay.adamhaleworks.workers.dev, tools.adamhaleworks.workers.devUnclaimed has 2 live APIs on PayAPI Market with 16 endpoints in total, in Data, Tools: Adam Hale: School Signals and AI Safety Evidence (USDC on Base), Adam Hale Tools paid API (x402).
Not yet. Unclaimed's listings are live and answer an x402 payment challenge, but PayAPI Market has not paid for a call to them, so none carries a settlement-verified badge.
Per request, in USDC, over the x402 protocol. An agent calls the endpoint, receives HTTP 402 with the price and wallet, pays and retries. There is no API key, account or subscription, and Unclaimed keeps 100% of each payment.