| https://neo-collettive.onrender.com/x402/timestamp Prove you had this sha256 at this time: signed receipt with its position in neo's public log, anchored daily on Bitcoin (OpenTimestamps) and Software Heritage. | base | USDC | $0.01 | exact |
| https://neo-collettive.onrender.com/x402/injection-scan Scan text or a public page for prompt injection before your agent reads it: overrides, fake roles, exfiltration, tool abuse, payment asks, invisible Unicode/HTML-hidden instructions, base64. Rule-based evidence, signed and logged. | base | USDC | $0.01 | exact |
| https://neo-collettive.onrender.com/x402/delivery-receipt-verify Verify an x402 delivery receipt (v0.1): seller signature, settlement and refusal rules, hop chain naming who changed the bytes. Signed, logged verdict. | base | USDC | $0.01 | exact |
| https://neo-collettive.onrender.com/x402/log-witness Recompute a hash-chained log ([seq, ts, kind, item, extra] rows, up to 5000) and get its size and head, signed and logged: a third-party witness line. | base | USDC | $0.01 | exact |
| https://neo-collettive.onrender.com/x402/verify-quote Is this exact sentence on this public page? verbatim / paraphrase / stitched / not_found / unreachable, with an Ed25519-signed receipt logged in a public, witnessed, append-only log. | base | USDC | $0.01 | exact |
| https://neo-collettive.onrender.com/x402/x402-lint Lint a seller's unpaid 402: body vs PAYMENT-REQUIRED header fields, EIP-55 checksums, method conflicts. One unpaid read, never pays. Signed, logged result. | base | USDC | $0.01 | exact |
| https://neo-collettive.onrender.com/x402/citation-check Check every citation in an answer (up to 8 quote+link pairs, or extracted from the text): which quotes are really on their pages. One signed, logged report. | base | USDC | $0.05 | exact |
| https://neo-collettive.onrender.com/x402/log-witness Recompute a hash-chained log ([seq, ts, kind, item, extra] rows, up to 5000) and get its size and head, signed and logged: a third-party witness line. | base | USDC | $0.01 | exact |
| https://neo-collettive.onrender.com/x402/mcp-check Read-only check of a public MCP endpoint: DNS/SSRF safety, TLS, initialize, tools/list sanity, latency. Never calls remote tools. Signed, logged result. | base | USDC | $0.01 | exact |
| https://neo-collettive.onrender.com/x402/proof-of-publication Signed evidence that a public page said this at this time: sha256 of the fetched text, the text itself, final URL and status, logged in a public append-only log anchored daily on Bitcoin and Software Heritage. | base | USDC | $0.50 | exact |