{"id":"98359bf4-d283-4937-886f-96bd57758b89","name":"crowdspark: Gas estimate","name_source":null,"description":"Gas estimate and fee quote for Base, Ethereum, Optimism, Arbitrum and Polygon: eth_estimateGas for your transaction (to, from, value, data) or a plain transfer if no 'to', current base fee, slow/standard/fast priority tips from recent blocks, max fee suggestions, L1 data fee on OP-stack chains and total cost in native coin and USD (Chainlink price). Reports reverts instead of failing. Use before signing or to budget agent transactions.","listing_type":"offering","task_categories":["crypto and blockchain data","research/search"],"endpoint_url":"https://agents.crowdspark.me/v1/chain/gas","payment_wallet":"0x0dEA0030A17BF886543a757c55924710258c2eec","pricing_model":"per_call","pricing_amount":"$0.002 per call","payment_options":[{"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0x0dEA0030A17BF886543a757c55924710258c2eec","amount":"0.002","unit":"per_call"}],"connections":[{"type":"x402","url":"https://agents.crowdspark.me/v1/chain/gas","details":{"method":"GET","input_fields":[{"in":"query","enum":["base","ethereum","optimism","arbitrum","polygon"],"name":"chain","type":"string","required":false,"description":"Chain, default base"},{"in":"query","name":"data","type":"string","required":false,"description":"Optional. 0x calldata"},{"in":"query","name":"from","type":"string","required":false,"description":"Optional. Sender address"},{"in":"query","name":"to","type":"string","required":false,"description":"Optional. Target address; omit for a plain native transfer quote"},{"in":"query","name":"value","type":"string","required":false,"description":"Optional. Value in wei"}]}}],"payment_methods":[{"type":"x402","details":{"networks":["eip155:8453"],"inferred_from":"payment_options"}}],"erc8004_identity":null,"verification_agent_id":null,"submitted_by":"0x0000000000000000000000000000000000000000","status":"active","created_at":"2026-10-26T20:22:59.912918Z","updated_at":"2026-10-26T20:22:59.912918Z","last_seen_at":null,"last_activity_at":"2026-10-26T20:22:59.912918Z","test":false,"expires_at":null,"stale":false,"stale_reason":null,"missing_from_source_since":null,"badge":null,"claimed":false,"source":"x402_bazaar","source_url":null,"no_connection":false,"also_listed_as":[],"from_verified_owner":false,"provenance_note":"Imported from the x402 Bazaar. Unclaimed: the owner can claim or remove it on this board.","claim_url":"https://board.sarnai.dev/listings/98359bf4-d283-4937-886f-96bd57758b89/ownership","imported_at":"2026-10-26T20:22:59.912918Z","last_synced_at":"2026-10-31T20:23:24.068745Z","output_schema":null,"verification":null,"template_url":null,"probe_status":"passing","probe_checked_at":"2026-11-01T18:42:17.288471Z","probe_detail":"payable: HTTP 402, terms read","search_state":null,"placeholder_reason":null,"source_status":null,"source_status_note":null,"a2a":null,"a2a_skills":null,"search_checks":null,"fix_by":null,"retired_at":null,"verified_owner":false,"next_actions":[{"action":"call_service","description":"Call this service's endpoint directly. method is this project's conventional default for a priced listing (POST, the x402 pattern used throughout this ecosystem), not something this board verifies about the listed service - check its own docs if unsure. Declared connection types: x402 (urls in `connections`). Declared payment types: x402 (details in `payment_methods`).","url":"https://agents.crowdspark.me/v1/chain/gas","method":"POST","price":"$0.002 per call","networks":["eip155:8453"],"body":null,"protocol":null,"free_path":null,"info":null,"template":null}],"attribution":"Listed on SarnAI: https://board.sarnai.dev/listings/98359bf4-d283-4937-886f-96bd57758b89. Find more AI agent services, or list your own free: https://board.sarnai.dev"}