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Returns ok plus every refusal the relay API would answer with. The H081 private bank is live on Solana mainnet, not audited yet; use at your own risk.","extensions":{"bazaar":{"info":{"input":{"body":{"mint":"2u1tszSeqZ3qBWF3uNGPFc8TzMk2tdiwknnRMWGWjGWH","op":"transact","payload":"AAEC...base64 borsh(Proof, Args, ext)...","recipientOwner":"EGvxic665gsar6K3YsnuUH4qPTnv1Rb2rMu2F3GpkZGq"},"bodyType":"json","discoverable":true,"method":"POST","type":"http"},"output":{"example":{"accounts":{"lenderTokenUsable":null,"recipientExists":true,"vaultExists":true},"capacity":{"limit":null,"needed":false,"ok":true,"operator":null,"used":null},"chain":{"nullifiersUnspent":[true,true],"rootKnown":true,"timestampFresh":null},"fee":{"bps":20,"feeAccount":"DxpmCZYAoDKpHmA5vWuopUrf3UVuGnPvditVrN9xDwDo","min":"50000","mint":"2u1tszSeqZ3qBWF3uNGPFc8TzMk2tdiwknnRMWGWjGWH","paid":"40000","publicAmount":"5000000","required":"50000"},"ok":false,"op":"transact","plan":{"payloadBytes":1200,"setupTxs":1,"writeTxs":0},"refusals":[{"code":"fee_too_low","message":"fee 40000 is below 50000 (max of the minimum 50000 and 20 bps of 5000000)","status":402}]},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"lenderToken":{"pattern":"^[1-9A-HJ-NP-Za-km-z]{32,44}$","type":"string"},"mint":{"pattern":"^[1-9A-HJ-NP-Za-km-z]{32,44}$","type":"string"},"op":{"enum":["transact","spend","grant","delegate"],"type":"string"},"operator":{"pattern":"^[1-9A-HJ-NP-Za-km-z]{32,44}$","type":"string"},"operatorSig":{"contentEncoding":"base64","type":"string"},"payload":{"contentEncoding":"base64","description":"borsh(Proof, Args, ext) of the operation, as the SDK stages it","type":"string"},"recipientOwner":{"pattern":"^[1-9A-HJ-NP-Za-km-z]{32,44}$","type":"string"}},"required":["op","payload"],"type":"object"},"bodyType":{"const":"json"},"discoverable":{"type":"boolean"},"method":{"const":"POST"},"type":{"const":"http"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"accounts":{"type":["object","null"]},"capacity":{"type":["object","null"]},"chain":{"type":"object"},"fee":{"type":"object"},"ok":{"type":"boolean"},"op":{"type":"string"},"plan":{"type":["object","null"]},"refusals":{"items":{"properties":{"code":{"type":"string"},"message":{"type":"string"},"status":{"type":"integer"}},"type":"object"},"type":"array"}},"required":["ok","op","fee","chain","refusals"],"type":"object"},"type":{"const":"json"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"}}},"iconUrl":"https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793644379/bazaar-icons/06ca5c1e33f04c6d.png","lastUpdated":"2026-11-03T14:32:08.065Z","quality":{"l30DaysTotalCalls":1,"l30DaysUniquePayers":1,"lastCalledAt":"2026-11-03T14:32:07.82Z"},"resource":"https://api.h081.xyz/v1/x402/solana/preflight","serviceName":"H081 Capital","tags":["solana","privacy","bank","agents","loans"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Checks whether a stipend_pool operation (the same body as POST /v1/solana/relay) would be relayed, without sending anything: relay fee against the minimum and 0.20% rule, capacity_stake capacity, known root, unspent nullifiers, fresh timestamp, the accounts the final transaction needs and the transaction plan. Returns ok plus every refusal the relay API would answer with. The H081 private bank is live on Solana mainnet, not audited yet; use at your own risk."},"body_sha256":"33c9fe1108a43ab53affcaeea792313c10de8d277638b0aca11df9fcda01fb11","prev_id":null,"leaf":"0x503aeff1d6ac8ced03488952d5d37ba8abaa79d377ae2b8c4d165014ed91e01d","leaf_text":"{\"body\":\"33c9fe1108a43ab53affcaeea792313c10de8d277638b0aca11df9fcda01fb11\",\"id\":2633047,\"kind\":\"listing\",\"method\":\"sync.x402_bazaar/1\",\"observed_us\":1793734399496798,\"prev\":null,\"subject\":\"x402_bazaar:https://api.h081.xyz/v1/x402/solana/preflight\",\"subject_kind\":\"source_record\"}","day":{"day":"2026-11-03","leaves":425475,"root":"0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a","chained":"0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43","anchor_chain":"eip155:5042002","anchor_tx":"0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7","anchor_block":70601990},"proof":["0x503b2449645664295864eb6fd98c957a8fa9341a4201042b9da0fd6c483ddb38","0x888ed831557f0f5dbf7b79ea134a565fdb1fb47cab2403e321fb643b920e09ec","0x0f0dcda470cf7ddbf627f33e1cddaa85ce5353fbee78959376f1a34b6880da60","0x9cf8d514a2b6e016bd8aa2016445d171cd86d580af27b7028366d2463083c8db","0x6da0b0c47320d0c9576f1262cef3ce4f8d69fcb3b00827adca99348e43143aae","0x3c768a8ec915bda379d6511ca3a2a482beb206a36cabded96afbbc896ce30472","0xb267cf2036f867ae8dc994de7f4c4f63075797aff9adba4deb29a73a6a15963e","0x34792e0ea5de7d88525f3ca39d225e199997517c3b3c56358b26d04b0a3bc286","0x1ea8c34c69559fae222dc349e2a5606850a8973e3815feaca0fdc5ae4d81e337","0xac6b25299886447fb8176db3115003c0d6cd64b6c7b197fc78211f990b1660ff","0x021322ea70c354229d5812f89ebfa8dd3189852998fec074dd9807eaed44d89b","0x962accc532b8bb0d6c9cac258a25ac9d23aa091875ae918d830b485f55c7adc3","0x94187c120b8099d2990297ee88e8eb9a21573805f8105e5ec8b85c062f211c25","0x4b9907277e91efb1f7d9761806af6ae068cc26782473322e3d536248ba73fc2e","0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51","0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868","0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee","0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3","0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6"]}