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Returns `construction` and a signature action the chainhilt wallet signs and POSTs to /predict/polymarket/orders/submit. Review orderSummary and warnings before signing: `estimatedBuilderFee` (ours) and `estimatedVenueFee` (Polymarket's) are pUSD on top of the principal.","extensions":{"bazaar":{"info":{"input":{"body":{"account":"0xE4934BB19E0B97109033dBfDcCc6957E32F9Cc60","credentialToken":"pcr1.…","marketId":"512329","orderType":"GTC","outcomeTokenId":"111","postOnly":false,"price":"0.42","side":"buy","size":"10","walletType":"deposit_wallet"},"bodyType":"json","method":"POST","type":"http"},"output":{"example":{"construction":{"constructionToken":"…","orderSummary":{"estimatedBuilderFee":{"amount":"0.021","asset":"pUSD"},"estimatedVenueFee":{"amount":"0","asset":"pUSD"},"limitPrice":"0.42","shares":"10","side":"buy"},"venue":"polymarket","warnings":[],"wire":{"expiration":"0","orderType":"GTC","postOnly":false}},"response":{"actions":[{"chainId":137,"data":{"constructionToken":"…","credentialToken":"pcr1.…","typedData":{"primaryType":"TypedDataSign"}},"protocol":"polymarket","submitPath":"/predict/polymarket/orders/submit","type":"signature"}],"errors":[],"warnings":[]}},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"$schema":"https://json-schema.org/draft/2020-12/schema","additionalProperties":false,"properties":{"account":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"credentialToken":{"minLength":1,"type":"string"},"expiresAt":{"type":"string"},"marketId":{"pattern":"^[A-Za-z0-9_-]{1,128}$","type":"string"},"orderType":{"enum":["GTC","GTD"],"type":"string"},"outcomeTokenId":{"minLength":1,"type":"string"},"postOnly":{"default":false,"type":"boolean"},"price":{"pattern":"^0\\.[0-9]{1,6}$","type":"string"},"side":{"enum":["buy","sell"],"type":"string"},"size":{"pattern":"^[0-9]+(\\.[0-9]{1,2})?$","type":"string"},"walletType":{"default":"deposit_wallet","enum":["deposit_wallet","eoa"],"type":"string"}},"required":["marketId","outcomeTokenId","side","orderType","price","size","account","credentialToken"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"}}},"lastUpdated":"2026-11-02T17:45:31.471Z","quality":{"l30DaysTotalCalls":3,"l30DaysUniquePayers":1,"lastCalledAt":"2026-11-02T17:45:30.069Z"},"resource":"https://chainhilt.ai/api/v1/predict/polymarket/orders/construct","serviceName":"chainhilt-x402","tags":["predict","polymarket","prediction-markets","execution","orders"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Construct a prediction-market order; never submits. `account` is the signer EOA; by default the maker is its deposit wallet (signatureType 3). Requires `credentialToken` from /predict/polymarket/credentials. Returns `construction` and a signature action the chainhilt wallet signs and POSTs to /predict/polymarket/orders/submit. Review orderSummary and warnings before signing: `estimatedBuilderFee` (ours) and `estimatedVenueFee` (Polymarket's) are pUSD on top of the principal."},"body_sha256":"c2176e630154f204437a8f24398a258522c253492a8ad429caf72ace23d8c54d","prev_id":null,"leaf":"0xe90b60ef07f9d0704662496163eb0e955c26385b6da498b1116621b2c5f0ebb6","leaf_text":"{\"body\":\"c2176e630154f204437a8f24398a258522c253492a8ad429caf72ace23d8c54d\",\"id\":2199909,\"kind\":\"listing\",\"method\":\"sync.x402_bazaar/1\",\"observed_us\":1793646793528165,\"prev\":null,\"subject\":\"x402_bazaar:https://chainhilt.ai/api/v1/predict/polymarket/orders/construct\",\"subject_kind\":\"source_record\"}","day":{"day":"2026-11-02","leaves":444186,"root":"0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1","chained":"0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2","anchor_chain":"eip155:5042002","anchor_tx":"0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af","anchor_block":70432815},"proof":["0xe90b71c4248650e8b6da6badc6408ab5718cc41bd3ff52ffcf2dc56748f678f6","0x09afda14d11b35a615832a6eb21f268f0b96370512df5c5bed7d3c811c059a21","0xf93638f33e88920edd41d381905d9382a367f2d18617f26c4a5bbfcad8643115","0xf1d8e6cb11767f36f2454740daba65c2d1a0b9329ed3aa2f625498a7ef2fcade","0x5fdac85abb81d36d13ebe1f521e26cce88d4dbb1c31427c3571e214ea4d93e18","0x402881383bfbce520fc4063a7ac6206ae066401a9f3781afa31a7a07ad4f798a","0x5a9276e855bf27e8af454f5acbdd250a28c23936d2001bbf121148d0695b3677","0x8374d7fa64c501d83e4f941f70942165ddd7664e79881886eefeab1d9b3de5ea","0x4842d310c66e36388af30a9d3f2e21ed156323f247e9b70a2ab15530ea033f05","0xd4991ae38efdf88b20f6caae2d8cddf38ac44170e5ee95b70c03ba90b6da764b","0x8ce002611b01d35edabbef9028712ef4d7e696b54822de7ff0074fed9cdc3ea7","0x3c7341656db31bffc7d2eacb59896b1fbf8e7f1b9619769235c75a51adb0b1be","0x0418958fa118b0a6a70d8e336a1073213853f5a3502b9ffc66202cc82d3dd472","0xf02baa2f8f9b385919b2f698b2e9351b84bd44118a8d5a72f2d1303df2c329b4","0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b","0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49","0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc","0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884"]}