{"id":"0c60cefc-06c5-437d-97b3-7e085c4eeef5","shortId":"d2Tf58","kind":"x402","title":"https://saylorinnovations.com/api/kb/fastapi-422-validation-errors-async-def-blocking-dependencies","tagline":"","description":"","tags":[],"capabilities":["x402-eip155:8453"],"categories":[],"synonyms":[],"warnings":[],"endpointUrl":"https://saylorinnovations.com/api/kb/fastapi-422-validation-errors-async-def-blocking-dependencies","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"memo":"saylor:fastapi-422-validation-er","name":"USD Coin","note":"Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.","version":"2","facilitatorOnly":true,"assetTransferMethod":"eip3009"},"payTo":"0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa","amount":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":120},{"asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","extra":{"memo":"saylor:fastapi-422-validation-er","name":"USD Coin","note":"Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.","version":"2","facilitatorOnly":true,"assetTransferMethod":"eip3009"},"payTo":"0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa","amount":"10000","scheme":"exact","network":"eip155:137","maxTimeoutSeconds":120},{"asset":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","extra":{"memo":"saylor:fastapi-422-validation-er","name":"USD Coin","note":"Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.","version":"2","facilitatorOnly":true,"assetTransferMethod":"eip3009"},"payTo":"0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa","amount":"10000","scheme":"exact","network":"eip155:42161","maxTimeoutSeconds":120},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"memo":"saylor:fastapi-422-validation-er","session":"eyJhcnRpY2xlSWQiOiJmYXN0YXBpLTQyMi12YWxpZGF0aW9uLWVycm9ycy1hc3luYy1kZWYtYmxvY2tpbmctZGVwZW5kZW5jaWVzIiwicmVmZXJlbmNlIjoiRnRManpkb0sxVm9xZkNIcDc2bnNMU1ZoaGhCMXo3Q1B3Q0Q2c1VSN1FQMUgiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjUwMDg1NjI1Mn0.naNa_56oqfsJPLLt5j_t2aFT0jnJK7NZI80O-qvHjLc","feePayer":"Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88","reference":"FtLjzdoK1VoqfCHp76nsLSVhhhB1z7CPwCD6sUR7QP1H"},"payTo":"7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7","amount":"10000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":120},{"asset":"Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB","extra":{"memo":"saylor:fastapi-422-validation-er","session":"eyJhcnRpY2xlSWQiOiJmYXN0YXBpLTQyMi12YWxpZGF0aW9uLWVycm9ycy1hc3luYy1kZWYtYmxvY2tpbmctZGVwZW5kZW5jaWVzIiwicmVmZXJlbmNlIjoiRFJFVUZDNTd4R3dFRER0RnhoeHEyaXRNN1JGZnVMYk1ER0o0cW5acVFYVW0iLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjUwMDg1NjI1Mn0.wcGGxlmr7vZQeH3rqoGLuk9H5rYDj4VGF3AG3vX7rAI","feePayer":"Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88","reference":"DREUFC57xGwEDDtFxhxq2itM7RFfuLbMDGJ4qnZqQXUm"},"payTo":"7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7","amount":"10000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":120},{"asset":"So11111111111111111111111111111111111111112","extra":{"memo":"saylor:fastapi-422-validation-er","note":"Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.","native":true,"session":"eyJhcnRpY2xlSWQiOiJmYXN0YXBpLTQyMi12YWxpZGF0aW9uLWVycm9ycy1hc3luYy1kZWYtYmxvY2tpbmctZGVwZW5kZW5jaWVzIiwicmVmZXJlbmNlIjoiQ1lyUTRldGs0SEZlOER5bnpoUDl3ckxkSkJSYXBmTmUxN1VyMWh4cWs2eUMiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTI4MDQsImV4cCI6MTc5MjUwMDg1NjI1Mn0.cky8MtloKXQg7aUYPRTp8uxBihZDi1ZqIF6_bTMlv_Q","reference":"CYrQ4etk4HFe8DynzhP9wrLdJBRapfNe17Ur1hxqk6yC","solUsdPrice":104.52,"quotedLamports":"95675"},"payTo":"7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7","amount":"92804","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":120}]},"qualityScore":"0.000","qualityRationale":null,"verified":false,"liveness":"unknown","lastLivenessCheck":null,"agentReviews":{"count":0,"score_avg":null,"cost_usd_avg":null,"success_rate":null,"latency_p50_ms":null,"narrative_summary":null,"summary_updated_at":null},"enrichmentModel":null,"enrichmentVersion":1,"enrichedAt":null,"embedding":null,"createdAt":"2026-10-20T13:04:41.611Z","updatedAt":"2026-10-21T00:33:28.218Z","lastSeenAt":"2026-10-21T00:33:28.218Z","tsv":"'/api/kb/fastapi-422-validation-errors-async-def-blocking-dependencies':3 'saylorinnovations.com':2 'saylorinnovations.com/api/kb/fastapi-422-validation-errors-async-def-blocking-dependencies':1 'x402-eip155:8453'","prices":[{"id":"7b556165-7630-445f-a9e0-585986364af5","listingId":"0c60cefc-06c5-437d-97b3-7e085c4eeef5","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"memo":"saylor:fastapi-422-validation-er","name":"USD Coin","note":"Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.","version":"2","facilitatorOnly":true,"assetTransferMethod":"eip3009"},"payTo":"0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa","amount":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":120},{"asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","extra":{"memo":"saylor:fastapi-422-validation-er","name":"USD Coin","note":"Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.","version":"2","facilitatorOnly":true,"assetTransferMethod":"eip3009"},"payTo":"0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa","amount":"10000","scheme":"exact","network":"eip155:137","maxTimeoutSeconds":120},{"asset":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","extra":{"memo":"saylor:fastapi-422-validation-er","name":"USD Coin","note":"Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.","version":"2","facilitatorOnly":true,"assetTransferMethod":"eip3009"},"payTo":"0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa","amount":"10000","scheme":"exact","network":"eip155:42161","maxTimeoutSeconds":120},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"memo":"saylor:fastapi-422-validation-er","session":"eyJhcnRpY2xlSWQiOiJmYXN0YXBpLTQyMi12YWxpZGF0aW9uLWVycm9ycy1hc3luYy1kZWYtYmxvY2tpbmctZGVwZW5kZW5jaWVzIiwicmVmZXJlbmNlIjoiRnRManpkb0sxVm9xZkNIcDc2bnNMU1ZoaGhCMXo3Q1B3Q0Q2c1VSN1FQMUgiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjUwMDg1NjI1Mn0.naNa_56oqfsJPLLt5j_t2aFT0jnJK7NZI80O-qvHjLc","feePayer":"Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88","reference":"FtLjzdoK1VoqfCHp76nsLSVhhhB1z7CPwCD6sUR7QP1H"},"payTo":"7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7","amount":"10000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":120},{"asset":"Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB","extra":{"memo":"saylor:fastapi-422-validation-er","session":"eyJhcnRpY2xlSWQiOiJmYXN0YXBpLTQyMi12YWxpZGF0aW9uLWVycm9ycy1hc3luYy1kZWYtYmxvY2tpbmctZGVwZW5kZW5jaWVzIiwicmVmZXJlbmNlIjoiRFJFVUZDNTd4R3dFRER0RnhoeHEyaXRNN1JGZnVMYk1ER0o0cW5acVFYVW0iLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjUwMDg1NjI1Mn0.wcGGxlmr7vZQeH3rqoGLuk9H5rYDj4VGF3AG3vX7rAI","feePayer":"Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88","reference":"DREUFC57xGwEDDtFxhxq2itM7RFfuLbMDGJ4qnZqQXUm"},"payTo":"7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7","amount":"10000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":120},{"asset":"So11111111111111111111111111111111111111112","extra":{"memo":"saylor:fastapi-422-validation-er","note":"Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.","native":true,"session":"eyJhcnRpY2xlSWQiOiJmYXN0YXBpLTQyMi12YWxpZGF0aW9uLWVycm9ycy1hc3luYy1kZWYtYmxvY2tpbmctZGVwZW5kZW5jaWVzIiwicmVmZXJlbmNlIjoiQ1lyUTRldGs0SEZlOER5bnpoUDl3ckxkSkJSYXBmTmUxN1VyMWh4cWs2eUMiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTI4MDQsImV4cCI6MTc5MjUwMDg1NjI1Mn0.cky8MtloKXQg7aUYPRTp8uxBihZDi1ZqIF6_bTMlv_Q","reference":"CYrQ4etk4HFe8DynzhP9wrLdJBRapfNe17Ur1hxqk6yC","solUsdPrice":104.52,"quotedLamports":"95675"},"payTo":"7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7","amount":"92804","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":120}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":120},"createdAt":"2026-10-20T13:04:41.611Z"}],"sources":[{"listingId":"0c60cefc-06c5-437d-97b3-7e085c4eeef5","source":"x402_bazaar","sourceId":"https://saylorinnovations.com/api/kb/fastapi-422-validation-errors-async-def-blocking-dependencies","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-10-20T13:04:41.611Z","lastSeenAt":"2026-10-21T00:33:28.218Z"}],"details":null}