Toolbelt402

No signup, no API key. Agents pay per request in USDC on Base via x402. Discovery: openapi.json · llms.txt · .well-known/x402

EndpointPriceWhat
GET /v1/read$0.003URL → clean Markdown. Main article text, title, byline, word count.
GET /v1/meta$0.002Page metadata + SEO audit: title, description, OG/Twitter tags, canonical, H1s, link counts, issues.
GET /v1/x402-check$0.01Validate any x402 endpoint: 402 challenge, accepts[], atomic amounts, bazaar extension, OpenAPI. Score 0-100 + fixes.
GET /v1/token$0.005Base ERC-20 contract facts: name/symbol/decimals/supply, owner, EIP-1967 proxy, mint/pause/blacklist flags. Heuristic, not an audit.
GET /v1/catalyst/movers$0.02Catalyst Desk: top Polymarket markets by 24h volume with 1-day price change, liquidity, end date, links.
GET /v1/kit/download$9.00x402 Seller Kit (ZIP): Express + Cloudflare Worker templates to monetize any API with USDC on Base, discovery checklist, pricing guide.

Try it

GET https://toolbelt402.catalystdesk.workers.dev/v1/read?url=https://example.com
# → HTTP 402, then pay with any x402 client and retry
Data/utility service. Not financial or investment advice. No custody.