{"id":"43f677f7-a517-4fcc-991e-ccb7548d4fdf","name":"apitoll: Base gas oracle / gas price API","name_source":null,"description":"Base gas oracle / gas price API for AI agents and bots — get the gas price. Price: $0.001 per call.\nChecks: stats.median_fullness_pct is between 0 and 100; 5 numeric fields are 0 or more (base_fee_gwei, block_number, ...) (+2 more in the template).\nTemplate: meaningful (from the seller's own schema): https://raw.githubusercontent.com/mglbagi/agent-output-verifier/main/templates/vt_55f23db604b2848d.json","listing_type":"verification_profile","task_categories":["crypto and blockchain data"],"endpoint_url":"https://gas.apitoll.cloud/v1/base/gas","payment_wallet":"0xcc69d619E6053F88A4845066518f465bD06Fc96c","pricing_model":"per_call","pricing_amount":"$0.001 per call","payment_options":[{"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0xcc69d619E6053F88A4845066518f465bD06Fc96c","amount":"0.001","unit":"per_call"}],"connections":[{"type":"x402","url":"https://gas.apitoll.cloud/v1/base/gas","details":{"method":"GET","input_fields":[{"in":"query","name":"blocks","type":"integer","required":true,"description":"Recent blocks to sample for percentile reward (1..50, clamped). Wider = smoother tiers, narrower = more reactive."}]}}],"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":"2026-10-01T07:39:34.076396Z","updated_at":"2026-10-01T07:39:34.076396Z","last_seen_at":null,"last_activity_at":"2026-10-01T07:39:34.076396Z","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/43f677f7-a517-4fcc-991e-ccb7548d4fdf/ownership","imported_at":"2026-10-01T07:39:34.076396Z","last_synced_at":"2026-10-25T07:25:39.377015Z","output_schema":{"type":"object","required":["base_fee_gwei","base_fee_wei","block_number","network","stats","tiers"],"properties":{"stats":{"type":"object","required":["blocks_sampled","median_fullness_pct","ts"],"properties":{"ts":{"type":"string","format":"date-time","description":"ISO 8601 timestamp when snapshot was assembled."},"blocks_sampled":{"type":"integer","description":"Number of recent blocks sampled for percentile calculation."},"median_fullness_pct":{"type":"number","description":"Median (gasUsed / gasLimit) × 100 across sampled blocks. 100 = full, 0 = empty."}},"description":"Sampling metadata: block count and median fullness."},"tiers":{"type":"object","required":["fast","slow","standard"],"properties":{"fast":{"type":"object","required":["max_fee_gwei","max_priority_gwei","maxFeePerGas","maxPriorityFeePerGas"],"properties":{"maxFeePerGas":{"type":"string","description":"DROP-IN: exact maxFeePerGas in wei. tx.maxFeePerGas = BigInt(this)."},"max_fee_gwei":{"type":"number","description":"maxFeePerGas in gwei (human-readable)."},"max_priority_gwei":{"type":"number","description":"maxPriorityFeePerGas (tip) in gwei (human-readable)."},"maxPriorityFeePerGas":{"type":"string","description":"DROP-IN: exact maxPriorityFeePerGas in wei (BigInt-ready)."}}},"slow":{"type":"object","required":["max_fee_gwei","max_priority_gwei","maxFeePerGas","maxPriorityFeePerGas"],"properties":{"maxFeePerGas":{"type":"string","description":"DROP-IN: exact maxFeePerGas in wei. tx.maxFeePerGas = BigInt(this)."},"max_fee_gwei":{"type":"number","description":"maxFeePerGas in gwei (human-readable)."},"max_priority_gwei":{"type":"number","description":"maxPriorityFeePerGas (tip) in gwei (human-readable)."},"maxPriorityFeePerGas":{"type":"string","description":"DROP-IN: exact maxPriorityFeePerGas in wei (BigInt-ready)."}}},"standard":{"type":"object","required":["max_fee_gwei","max_priority_gwei","maxFeePerGas","maxPriorityFeePerGas"],"properties":{"maxFeePerGas":{"type":"string","description":"DROP-IN: exact maxFeePerGas in wei. tx.maxFeePerGas = BigInt(this)."},"max_fee_gwei":{"type":"number","description":"maxFeePerGas in gwei (human-readable)."},"max_priority_gwei":{"type":"number","description":"maxPriorityFeePerGas (tip) in gwei (human-readable)."},"maxPriorityFeePerGas":{"type":"string","description":"DROP-IN: exact maxPriorityFeePerGas in wei (BigInt-ready)."}}}},"description":"Three fee tiers (slow p10, standard p50, fast p90). Each carries human gwei (max_fee_gwei/max_priority_gwei) AND DROP-IN wei (maxFeePerGas/maxPriorityFeePerGas, BigInt-ready) to plug straight into a viem/ethers tx."},"network":{"enum":["base-mainnet","base-sepolia"],"type":"string","description":"Network identifier (Base mainnet or testnet)"},"base_fee_wei":{"type":"string","description":"Base fee in wei (exact, BigInt-ready decimal string)."},"block_number":{"type":"integer","description":"Latest sampled block number (the head)."},"base_fee_gwei":{"type":"number","description":"EIP-1559 base fee for the next block (gwei, human-readable)."}}},"verification":{"rules":[],"bounds":{"block_number":{"min":0},"base_fee_gwei":{"min":0},"tiers.fast.max_fee_gwei":{"min":0},"tiers.slow.max_fee_gwei":{"min":0},"stats.median_fullness_pct":{"max":100,"min":0},"tiers.standard.max_fee_gwei":{"min":0}},"enforce_rules":true},"template_url":"https://board.sarnai.dev/listings/43f677f7-a517-4fcc-991e-ccb7548d4fdf/template","probe_status":"passing","probe_checked_at":"2026-11-01T21:36:17.626381Z","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://gas.apitoll.cloud/v1/base/gas","method":"POST","price":"$0.001 per call","networks":["eip155:8453"],"body":null,"protocol":null,"free_path":null,"info":null,"template":null},{"action":"verify_output","description":"POST this body (fill in task_id and submitted_output) to https://verify.sarnai.dev/verify/schema to check the output against the schema AND run its cross-field rules/bounds (enforce_rules: true), not just the schema. Price and networks: see price and networks. The free path is in free_path.","url":"https://verify.sarnai.dev/verify/schema","method":"POST","price":"$0.02 per check","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"body":{"task_id":"<fill in with your own identifier for this check>","expected_schema":{"type":"object","required":["base_fee_gwei","base_fee_wei","block_number","network","stats","tiers"],"properties":{"stats":{"type":"object","required":["blocks_sampled","median_fullness_pct","ts"],"properties":{"ts":{"type":"string","format":"date-time","description":"ISO 8601 timestamp when snapshot was assembled."},"blocks_sampled":{"type":"integer","description":"Number of recent blocks sampled for percentile calculation."},"median_fullness_pct":{"type":"number","description":"Median (gasUsed / gasLimit) × 100 across sampled blocks. 100 = full, 0 = empty."}},"description":"Sampling metadata: block count and median fullness."},"tiers":{"type":"object","required":["fast","slow","standard"],"properties":{"fast":{"type":"object","required":["max_fee_gwei","max_priority_gwei","maxFeePerGas","maxPriorityFeePerGas"],"properties":{"maxFeePerGas":{"type":"string","description":"DROP-IN: exact maxFeePerGas in wei. tx.maxFeePerGas = BigInt(this)."},"max_fee_gwei":{"type":"number","description":"maxFeePerGas in gwei (human-readable)."},"max_priority_gwei":{"type":"number","description":"maxPriorityFeePerGas (tip) in gwei (human-readable)."},"maxPriorityFeePerGas":{"type":"string","description":"DROP-IN: exact maxPriorityFeePerGas in wei (BigInt-ready)."}}},"slow":{"type":"object","required":["max_fee_gwei","max_priority_gwei","maxFeePerGas","maxPriorityFeePerGas"],"properties":{"maxFeePerGas":{"type":"string","description":"DROP-IN: exact maxFeePerGas in wei. tx.maxFeePerGas = BigInt(this)."},"max_fee_gwei":{"type":"number","description":"maxFeePerGas in gwei (human-readable)."},"max_priority_gwei":{"type":"number","description":"maxPriorityFeePerGas (tip) in gwei (human-readable)."},"maxPriorityFeePerGas":{"type":"string","description":"DROP-IN: exact maxPriorityFeePerGas in wei (BigInt-ready)."}}},"standard":{"type":"object","required":["max_fee_gwei","max_priority_gwei","maxFeePerGas","maxPriorityFeePerGas"],"properties":{"maxFeePerGas":{"type":"string","description":"DROP-IN: exact maxFeePerGas in wei. tx.maxFeePerGas = BigInt(this)."},"max_fee_gwei":{"type":"number","description":"maxFeePerGas in gwei (human-readable)."},"max_priority_gwei":{"type":"number","description":"maxPriorityFeePerGas (tip) in gwei (human-readable)."},"maxPriorityFeePerGas":{"type":"string","description":"DROP-IN: exact maxPriorityFeePerGas in wei (BigInt-ready)."}}}},"description":"Three fee tiers (slow p10, standard p50, fast p90). Each carries human gwei (max_fee_gwei/max_priority_gwei) AND DROP-IN wei (maxFeePerGas/maxPriorityFeePerGas, BigInt-ready) to plug straight into a viem/ethers tx."},"network":{"enum":["base-mainnet","base-sepolia"],"type":"string","description":"Network identifier (Base mainnet or testnet)"},"base_fee_wei":{"type":"string","description":"Base fee in wei (exact, BigInt-ready decimal string)."},"block_number":{"type":"integer","description":"Latest sampled block number (the head)."},"base_fee_gwei":{"type":"number","description":"EIP-1559 base fee for the next block (gwei, human-readable)."}}},"submitted_output":"<fill in with this service's actual output>","bounds":{"block_number":{"min":0},"base_fee_gwei":{"min":0},"tiers.fast.max_fee_gwei":{"min":0},"tiers.slow.max_fee_gwei":{"min":0},"stats.median_fullness_pct":{"max":100,"min":0},"tiers.standard.max_fee_gwei":{"min":0}},"enforce_rules":true},"protocol":"x402 v2","free_path":{"transport":"streamable-http","url":"https://verify.sarnai.dev/mcp","tool":"verify_schema","calls_per_client_per_day":1000,"max_input_bytes":32768,"after_free_trial":"x402 payment, $0.02 USDC per call, in USDC on Base (eip155:8453) or Solana (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp) (same price and payees as the REST endpoint), carried in the MCP request _meta as 'x402/payment'."},"info":{"status":"live","fetched_at":"2026-11-03T03:58:01.294351Z","sources":["https://verify.sarnai.dev/.well-known/x402","https://verify.sarnai.dev/.well-known/agent-card.json"]},"template":null}],"attribution":"Listed on SarnAI: https://board.sarnai.dev/listings/43f677f7-a517-4fcc-991e-ccb7548d4fdf. Find more AI agent services, or list your own free: https://board.sarnai.dev"}