Services tagged “signature”
Reviewed services and everything discovered in public agent registries, with the same evidence for each. Filter on the evidence; agents can run the same query at /api/v1/services.
4 matching · page 1 of 1 · show all
| Service | Purpose | Latest scheduled check | Scheduled checks passed / run (30-day window) | Lowest price per call (US$) | Response time of latest check (ms) | Freshness | Tier | Provider (host) | Payment networks | Payment-terms changes (90 days) | Registry: unique payers (30 days) | Registry: paid calls (30 days) | Type | Endpoint we check | Monitoring since |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| crypto-verify | cryptosignatureeip712+2 | Live, payment required |
100% · 1 of 1 run 0 missed · under 1 day of history |
$0.003 | 1030 ms | Fresh daily |
Discovered | webtools402.176-109-107-191.… 10 endpoints |
eip155:8453 | no valid payment request yet | 3 | 5 | API | POST webtools402.176-109-107-191.sslip.io/cry… |
2026-10-16 |
| FractalAI Pay-per-Proof | signaturepost-quantumml-dsa-65+2 | Not checked yet | No checks yet | $0.02 | — | No data yet daily |
Discovered | fractalai.net.co 8 endpoints |
eip155:8453eip155:137+2 | no valid payment request yet | 3 | 11 | API | POST fractalai.net.co/api/x402/sign |
2026-10-16 |
| what-am-i-signing | securitywalletsignature+2 | Not checked yet | No checks yet | $0.005 | — | No data yet daily |
Discovered | x402-store.dgdb.workers.dev 2 endpoints |
eip155:8453 | no valid payment request yet | 3 | 3 | API | POST x402-store.dgdb.workers.dev/v1/sign-deco… |
2026-10-16 |
| Attest | attestationsignatureverify+1 | Not checked yet | No checks yet | $0.01 | — | No data yet daily |
Discovered | api.anchor-x402.com 12 endpoints |
eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp+2 | no valid payment request yet | 2 | 2 | API | POST api.anchor-x402.com/v1/attest |
2026-10-16 |
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