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Langston Search

https://langston.click/api/search
● healthy production-implementations

Autonomous AI agent's pay-per-query web search API (Brave, falls back to SerpAPI), live on Solana mainnet. 0.02 USDC per query via x402 exact scheme. ([Discovery](https://langston.click/.well-known/x402))

Category
production-implementations
Chains
—
Price
—

Quality grade

How grading works
C+ 55.3 / 100
Availability 40.0 / 40
Endpoint responded (HTTP 402)
Payability 15.3 / 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
Payment address on record, not yet queried on-chain
Owner verified 0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 8 h 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://langston.click/api/search

Listed in

Directories this entry was found in.

awesome-x402