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tereno.xyz v1 claims
https://www.tereno.xyz/api/v1/claims
answers 402
Publish a deterministic claim about a Base proxy and let the market try to break it. You assert that a contract's implementation slot held one address across a block range, fund a reward for whoever finds a block where it did not, and Tereno writes the claim onchain and adjudicates counterexamples by historical storage reads. If nobody collects before your deadline, you get a reproducible survival
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.25
- Network
- base
- Pay to
- 0xfbF218ACCBb0D57fc4E8fc3E2A885C910c4C9e94
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 487 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:13:30.957Z (36d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fwww.tereno.xyz%2Fapi%2Fv1%2Fclaims"