2s — the (most) everything API

● healthy ai

The (most) everything API: 575+ pay-per-call endpoints for AI agents — ground-truth data, a full AI gateway, and agent infrastructure (storage, queues, watchers). USDC via x402, no signup, no API keys, and upto billing: pay actual usage, not the quote.

Quality grade

How grading works

A 90.3 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 200)

Payability 20.0 / 20

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 30.3 / 40

86 distinct payers, 8454 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 2 h ago. On-chain activity last read 29 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

566 resource(s) advertised by this origin.

https://2s.io/api/agent/knowledge-delta

https://2s.io/api/agriculture/drought

https://2s.io/api/agriculture/stats

https://2s.io/api/ai/chat

https://2s.io/api/ai/classify

https://2s.io/api/ai/council

https://2s.io/api/ai/describe-image

https://2s.io/api/ai/entities

https://2s.io/api/ai/extract

https://2s.io/api/ai/image

https://2s.io/api/ai/moderate

https://2s.io/api/ai/ocr

https://2s.io/api/ai/pii

https://2s.io/api/ai/research

https://2s.io/api/ai/screenshot

https://2s.io/api/ai/sentiment

https://2s.io/api/ai/summarize

https://2s.io/api/ai/translate

https://2s.io/api/ai/web-answer

https://2s.io/api/aircraft/lookup

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://2s.io

/.well-known/x402.json

https://2s.io/.well-known/x402

Listed in

Directories this entry was found in.

x402scan pay-skills-pr awesome-x402 paygent-discover x402-fuchss