grist.tools: feed-discover
Pay-per-call endpoint from grist.tools. Price per call: $0.0020 (USDC, x402).
Proof
endpoint (shown as text, not a link, to avoid accidental calls):
https://grist.tools/v1/feed-discover“HTTP 402 + x402 v2 challenge: amount 2000 atomic units of USD Coin (= $0.002)”
source: grist.tools/v1/feed-discover
“Fetches a web page and returns the RSS, Atom and JSON feeds it declares in its <head>, as absolute URLs with their type and title.”
source: grist.tools/openapi.json
Details
- Price per call
- $0.0020 (USDC, x402)
- Provider
- grist.tools
- Protocol
- x402 · USDC (Base)
- Method
- POST
- Price basis
- USDC amount in the unpaid HTTP 402 payment challenge (first accepted option)
- Last probed
- 2026-10-24