{"slug":"ai-data-marketplace-1042299154756-us-central1-run-app-api-v1-9c3f31","title":"Run a read-only transaction simulation with eth_call and eth_estimateGas against","host":"ai-data-marketplace-1042299154756.us-central1.run.app","method":"GET","resource":"https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/tx_simulator","category":"other","description":"Run a read-only transaction simulation with eth_call and eth_estimateGas against a supported public EVM RPC without signing or broadcasting.","price_listed":0.005,"price_asked":0.005,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":298,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"data":"0x313ce567","from":"0x8647F7D7a1368a467Ad1FF757fBc2e7167973558","network":"base","to":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","value":"0"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"additionalProperties":true,"properties":{"data":{"description":"Hex-encoded transaction calldata.","type":"string"},"from":{"description":"Sender address.","type":"string"},"network":{"description":"Blockchain network identifier.","type":"string"},"to":{"description":"Destination contract address.","type":"string"},"value":{"description":"Amount of native token sent in wei.","type":"string"}},"required":["network","from","to","data"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"additionalProperties":true,"properties":{"broadcast":{"type":"boolean"},"estimated_gas":{"type":"string"},"marketplace_metadata":{"additionalProperties":true,"properties":{"availability":{"type":"string"},"billable":{"type":"boolean"},"data_mode":{"type":"string"},"source":{"type":"string"}},"required":["data_mode","billable","availability","source"],"type":"object"},"network":{"type":"string"},"return_data":{"type":"string"},"simulation_status":{"type":"string"},"source":{"type":"string"},"success":{"type":"boolean"}},"required":["success","source","network","broadcast","simulation_status","estimated_gas","return_data","marketplace_metadata"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-03","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.005,"price_match":true,"latency_ms":298,"error":null}],"description_full":"Run a read-only transaction simulation with eth_call and eth_estimateGas against a supported public EVM RPC without signing or broadcasting.","last_updated":"2026-10-03T05:08:13.686Z","schemes":["exact"]}