{"success":true,"data":{"id":"svc_btc_timestamp_verify_01","slug":"btc-timestamp-verify","name":"Bitcoin Timestamp Verify","description":"Verify an OpenTimestamps proof (.ots as base64, from btc-timestamp or any ots client): upgrades pending proofs from the calendars, checks each Bitcoin attestation against the real block's merkle root and returns status (confirmed, pending), block height and time, the upgraded proof, and whether your text, hash or URL matches.","category":"data","endpoint":"https://agentsvc.io/api/v1/proxy/btc-timestamp-verify","price_usdc":0.003,"latency_p99_ms":5000,"input_schema":{"type":"object","required":["ots_base64"],"properties":{"ots_base64":{"type":"string","description":".ots file as base64"},"text":{"type":"string","description":"Original content to compare"},"hash":{"type":"string","description":"SHA-256 hex to compare"},"url":{"type":"string","description":"URL whose current bytes to compare"}}},"output_schema":{"type":"object","properties":{"status":{"type":"string"},"bitcoin":{"type":"object"},"ots_base64":{"type":"string"},"match":{"type":"object"}}},"is_active":true,"provider":"agentsvc.io","tags":["opentimestamps","verify","bitcoin","proof","timestamp"],"method":"POST","example_input":{"ots_base64":"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","text":"Hello World!\n"},"price_atomic":"3000","price_display":"$0.003 USDC","try_url":"https://agentsvc.io/api/v1/try/btc-timestamp-verify","try_limit_per_day":3,"info_url":"https://agentsvc.io/api/v1/services/btc-timestamp-verify","page_url":"https://agentsvc.io/services/btc-timestamp-verify","curl_example":"curl -X POST https://agentsvc.io/api/v1/proxy/btc-timestamp-verify -H \"Content-Type: application/json\" -d '{\"ots_base64\":\"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\",\"text\":\"Hello World!\\n\"}'","status":{"ok":true,"latency_ms":41,"checked_at":"2026-10-11T12:04:01.090Z"}},"payment":{"protocol":"x402","x402_versions_accepted":[1,2],"scheme":"exact","network":"eip155:8453","network_v1":"base","chain_id":8453,"asset":"USDC","asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_decimals":6,"eip712_domain":{"name":"USD Coin","version":"2","chainId":8453,"verifyingContract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"pay_to":"0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27","facilitator":"https://api.cdp.coinbase.com/platform/v2/x402","request_header_v2":"PAYMENT-SIGNATURE","request_header_v1":"X-PAYMENT","requirements_v2":"base64 JSON in the PAYMENT-REQUIRED response header of the 402","requirements_v1":"JSON body of the 402 (accepts[0])","receipt_header":"PAYMENT-RESPONSE (and X-PAYMENT-RESPONSE): base64 JSON with transaction hash","accounts_required":false,"api_keys_required":false,"settlement":"per call, on-chain, after the service succeeded. Failed calls are never charged.","also_accepted":[{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","network_v1":"solana","asset":"USDC","asset_mint":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","pay_to":"5JzPS5qpEwUM1vTC9GG7uqvwJdHzbEwfoPHf2Ki977tg","note":"Solana option is accepts[1] in the 402. The facilitator pays the transaction fee (extra.feePayer); the payer needs only USDC, no SOL."}]},"links":{"catalog":"https://agentsvc.io/api/v1/services","payment_requirements":"https://agentsvc.io/api/v1/payment-requirements","credits":"https://agentsvc.io/api/v1/credits","openapi":"https://agentsvc.io/openapi.json","llms_txt":"https://agentsvc.io/llms.txt","llms_full_txt":"https://agentsvc.io/llms-full.txt","agents_md":"https://agentsvc.io/AGENTS.md","skill_md":"https://agentsvc.io/SKILL.md","status":"https://agentsvc.io/api/v1/status","docs":"https://agentsvc.io/docs","mcp_server":"https://agentsvc.io/mcp-server.mjs","discovery":"https://agentsvc.io/.well-known/x402","agent_card":"https://agentsvc.io/.well-known/agent-card.json"}}