{"kit":"0.1","id":"x402.x402-signature-service","name":"x402-signature-service","summary":"Send one PDF to one email recipient for simple electronic signature. The service emails the signer, tracks completion, and returns the completed signed PDF. Gives AI agents the missing capability to get human sign-off on contracts and NDAs: pay $0.50 USDC per request (x402 exact scheme on Base), poll a status URL with a one-time bearer token, download the signed document. SSRF-guarded document fetching, tokens store…","categories":["llm_inference"],"tags":["Other"],"status":"unclaimed","seller":{"name":null,"domain":"signx402.com","claimed":false,"verify":"none"},"invoke":[],"input_schema":null,"output_schema":null,"sample":null,"offers":[{"rail":"x402","networks":["eip155:8453"],"price_usd_min":0.5,"price_usd_max":0.5,"payTo":null,"note":"Runtime 402 challenge is authoritative; verify amount and payTo before paying."}],"trial":null,"behavior":{"side_effects":"unknown","idempotent":null,"p95_latency_s":2.328,"data_retention":"unknown"},"policy":{"refund":"unknown","no_scraping":null,"consent_required":"unknown"},"discovery":{"openapi":"https://signx402.com/openapi.json"},"trust":{"verified_buyers_30d":17,"settlements_30d":76,"volume_usd_30d":0.1,"top_buyer_share_30d":0.34,"last_settlement_at":"2026-10-02T10:54:51Z","shared_payout":true,"wash_flags":[],"method":"hub-trust-v0.1","source":"x402-list.com on-chain measured settlements (CC BY 4.0)","score":54,"evidence":"verified_non_wash_payments","watch":[]},"badges":["unclaimed","paid_usage_verified"],"agentropolis":{"tier":null,"tier_label":null,"highest_earned":null,"earned":[],"paid":[],"not_yet":[{"id":"verified","reason":"listing not claimed with domain proof"},{"id":"trusted","reason":"needs Live-Tested"}],"badge_svg":"https://agentropolis.io/badge/x402.x402-signature-service.svg","page":"https://agentropolis.io/listing/x402.x402-signature-service","embed_markdown":"[![Agentropolis](https://agentropolis.io/badge/x402.x402-signature-service.svg)](https://agentropolis.io/listing/x402.x402-signature-service)","tiers_doc":"https://agentropolis.io/badges"},"contact":{"a2a":null,"email":null,"messages":"roadmap: hub messaging (stub)"},"provenance":[{"source":"x402_list","ref":"https://x402-list.com/services/x402-signature-service","attribution":"Data: x402-list.com (CC BY 4.0)"}],"_generated":"Generated by Agentropolis from public metadata. The seller has not claimed or reviewed this listing."}