Negbit

● healthy data-social-apis

Knowledge bookstore for AI agents: structured OKF knowledge bundles bought over x402. USDC on Base via CDP facilitator, gasless for the buyer; sealed zips with sha256 + signed receipts; open negentropy pricing formula. One free foundation bundle for ~1 month (founding-member on-chain record). Bazaar discovery extension on 402 responses. No API keys, no signup. ([Catalog](https://negbit.com/catalog.json)) ([llms.txt](https://negbit.com/llms.txt)) ([agents.txt](https://negbit.com/agents.txt))

Quality grade

How grading works

C 50.0 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 200)

Payability 10.0 / 20

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

Demand 0.0 / 40

0 distinct payers, 0 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 6 h ago. On-chain activity last read 11 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

How to call

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

curl -X POST https://negbit.com

/.well-known/x402.json

https://negbit.com/.well-known/x402

Listed in

Directories this entry was found in.

cdp-bazaar awesome-x402