{ "x402Version": 2, "id": 57623, "slug": "57623", "resource": "https://tanod.dev/v1/chain/approvals", "description": "chainpeek (Tanod) live token approvals of a wallet: ERC-20 and Permit2 allowances with risk flags and unsigned revoke transactions, on Base or Ethereum. Use when an agent must list and revoke its wallet's live token approvals, on a schedule or after a risky signature.", "type": "http", "serviceName": "Tanod chainpeek", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png", "resourceType": "Beauty & Personal Care", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "5000", "amountUsd": 0.005, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:137", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359", "amount": "5000", "amountUsd": 0.005, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "5000", "amountUsd": 0.005, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:56", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d", "amount": "5000000000000000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:42161", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831", "amount": "5000", "amountUsd": 0.005, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:8453", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "5000", "amountUsd": 0.005, "maxTimeoutSeconds": 604900 }, { "scheme": "exact", "network": "eip155:137", "payTo": "0x593857A4a4F619543ea12394137C3004ce841720", "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359", "amount": "5000", "amountUsd": 0.005, "maxTimeoutSeconds": 604900 } ], "outputSchema": { "properties": { "example": { "description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/chain/approvals", "properties": { "allowances": { "type": "array" }, "allowances_total": { "type": "integer" }, "block": { "type": [ "integer", "null" ] }, "block_timestamp": { "type": [ "integer", "null" ] }, "chain": { "type": "string" }, "checked": { "type": "object" }, "history": { "type": "object" }, "limits": { "type": "array" }, "reasons": { "type": "array" }, "risk": { "type": "string" }, "rpc_calls": { "type": "integer" }, "rules": { "type": "object" }, "stale_days": { "type": "integer" }, "tokens": { "type": "array" }, "wallet": { "type": "string" } }, "required": [ "chain", "wallet", "risk", "reasons", "allowances", "allowances_total", "tokens", "checked", "history", "stale_days", "rules", "limits" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" }, "extensions": { "bazaar": { "info": { "input": { "body": { "chain": "base", "spenders": [ "0x8F2E6A1c3B9d7e5F0A4C2b8D6E1f3a9c7B5d0E24" ], "wallet": "0x5A0b54D5dc17e0AadC383d2db43B0a0D3E029c4c" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "allowances": [], "allowances_total": 3, "block": 52512000, "block_timestamp": 1760300000, "chain": "base", "checked": { "erc20": 5, "live": 3, "pairs": 7, "permit2": 2 }, "history": { "blocks": 6000, "from_block": 52506001, "read": true, "to_block": 52512000 }, "limits": [ "The log scan covers only the la…" ], "reasons": [], "risk": "high", "rpc_calls": 10, "rules": { "key_controlled": "the spender has no code, or onl…", "live": "ERC-20 allowance > 0, or Permit…", "new_contract": "the spender had no code 30 days…", "unlimited": "at least 2^255 (Permit2: 2^159)…" }, "stale_days": 90, "tokens": [], "wallet": "0x5A0b54D5dc17e0AadC383d2db43B0…" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "chain": { "description": "base or ethereum (the chains with built-in USDC and USDT here).", "enum": [ "base", "ethereum" ], "type": "string" }, "lookback_blocks": { "default": 6000, "description": "Latest blocks scanned for approval events (0-6,000; default 6,000, about 3.3 hours on Base and 20 hours on Ethereum). 0 scans nothing and checks `spenders` and Permit2 only.", "maximum": 6000, "minimum": 0, "type": "integer" }, "spenders": { "anyOf": [ { "items": { "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "maxItems": 50, "minItems": 1, "type": "array" }, { "type": "null" } ], "default": null, "description": "Up to 50 spender addresses whose ERC-20 and Permit2 allowances are read directly on every audited token, however old (tokens x spenders at most 200). The full-coverage path for spenders you know." }, "stale_days": { "default": 90, "description": "An allowance is stale when the spender pulled nothing from the wallet in this many days (1-3,650; default 90).", "maximum": 3650, "minimum": 1, "type": "integer" }, "tokens": { "anyOf": [ { "items": { "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "maxItems": 50, "minItems": 1, "type": "array" }, { "type": "null" } ], "default": null, "description": "Up to 50 token contracts to audit. Default: USDC, USDT and up to 18 tokens the wallet has sent (from its transfer history)." }, "wallet": { "description": "The wallet whose approvals are audited (0x + 40 hex).", "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" } }, "required": [ "chain", "wallet" ], "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": { "description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/chain/approvals", "properties": { "allowances": { "type": "array" }, "allowances_total": { "type": "integer" }, "block": { "type": [ "integer", "null" ] }, "block_timestamp": { "type": [ "integer", "null" ] }, "chain": { "type": "string" }, "checked": { "type": "object" }, "history": { "type": "object" }, "limits": { "type": "array" }, "reasons": { "type": "array" }, "risk": { "type": "string" }, "rpc_calls": { "type": "integer" }, "rules": { "type": "object" }, "stale_days": { "type": "integer" }, "tokens": { "type": "array" }, "wallet": { "type": "string" } }, "required": [ "chain", "wallet", "risk", "reasons", "allowances", "allowances_total", "tokens", "checked", "history", "stale_days", "rules", "limits" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "builder-code": { "info": { "a": "bc_h7pxv14u" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "a": { "description": "App builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "s": { "description": "Service builder codes", "items": { "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "maxItems": 11, "type": "array" }, "w": { "description": "Wallet builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" } }, "type": "object" } }, "erc20ApprovalGasSponsoring": { "info": { "description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.", "version": "1" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "amount": { "description": "Approval amount (uint256).", "pattern": "^[0-9]+$", "type": "string" }, "asset": { "description": "The ERC-20 token contract address to approve.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "from": { "description": "The address of the sender.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "signedTransaction": { "description": "RLP-encoded signed transaction calling ERC20.approve().", "pattern": "^0x[a-fA-F0-9]+$", "type": "string" }, "spender": { "description": "The address of the spender (Canonical Permit2).", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "version": { "description": "Schema version identifier.", "pattern": "^[0-9]+(\\.[0-9]+)*$", "type": "string" } }, "required": [ "from", "asset", "spender", "amount", "signedTransaction", "version" ], "type": "object" } }, "payment-identifier": { "info": { "required": false }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "id": { "maxLength": 128, "minLength": 16, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "required": { "type": "boolean" } }, "required": [ "required" ], "type": "object" } } }, "tags": [ "chainpeek", "chain", "approvals", "ens", "calldata", "bazaar", "builder-code", "erc20ApprovalGasSponsoring", "payment-identifier" ], "sourceHost": "tanod.dev", "lastUpdated": "2026-10-13T20:36:32.134Z", "quality": { "calls30d": 1, "uniquePayers30d": 1, "lastCalledAt": "2026-10-13T20:36:31.379Z" }, "metadata": { "serviceName": "Tanod chainpeek", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png", "extensions": { "bazaar": { "info": { "input": { "body": { "chain": "base", "spenders": [ "0x8F2E6A1c3B9d7e5F0A4C2b8D6E1f3a9c7B5d0E24" ], "wallet": "0x5A0b54D5dc17e0AadC383d2db43B0a0D3E029c4c" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "allowances": [], "allowances_total": 3, "block": 52512000, "block_timestamp": 1760300000, "chain": "base", "checked": { "erc20": 5, "live": 3, "pairs": 7, "permit2": 2 }, "history": { "blocks": 6000, "from_block": 52506001, "read": true, "to_block": 52512000 }, "limits": [ "The log scan covers only the la…" ], "reasons": [], "risk": "high", "rpc_calls": 10, "rules": { "key_controlled": "the spender has no code, or onl…", "live": "ERC-20 allowance > 0, or Permit…", "new_contract": "the spender had no code 30 days…", "unlimited": "at least 2^255 (Permit2: 2^159)…" }, "stale_days": 90, "tokens": [], "wallet": "0x5A0b54D5dc17e0AadC383d2db43B0…" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "chain": { "description": "base or ethereum (the chains with built-in USDC and USDT here).", "enum": [ "base", "ethereum" ], "type": "string" }, "lookback_blocks": { "default": 6000, "description": "Latest blocks scanned for approval events (0-6,000; default 6,000, about 3.3 hours on Base and 20 hours on Ethereum). 0 scans nothing and checks `spenders` and Permit2 only.", "maximum": 6000, "minimum": 0, "type": "integer" }, "spenders": { "anyOf": [ { "items": { "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "maxItems": 50, "minItems": 1, "type": "array" }, { "type": "null" } ], "default": null, "description": "Up to 50 spender addresses whose ERC-20 and Permit2 allowances are read directly on every audited token, however old (tokens x spenders at most 200). The full-coverage path for spenders you know." }, "stale_days": { "default": 90, "description": "An allowance is stale when the spender pulled nothing from the wallet in this many days (1-3,650; default 90).", "maximum": 3650, "minimum": 1, "type": "integer" }, "tokens": { "anyOf": [ { "items": { "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" }, "maxItems": 50, "minItems": 1, "type": "array" }, { "type": "null" } ], "default": null, "description": "Up to 50 token contracts to audit. Default: USDC, USDT and up to 18 tokens the wallet has sent (from its transfer history)." }, "wallet": { "description": "The wallet whose approvals are audited (0x + 40 hex).", "pattern": "^0x[0-9a-fA-F]{40}$", "type": "string" } }, "required": [ "chain", "wallet" ], "type": "object" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/chain/approvals", "properties": { "allowances": { "type": "array" }, "allowances_total": { "type": "integer" }, "block": { "type": [ "integer", "null" ] }, "block_timestamp": { "type": [ "integer", "null" ] }, "chain": { "type": "string" }, "checked": { "type": "object" }, "history": { "type": "object" }, "limits": { "type": "array" }, "reasons": { "type": "array" }, "risk": { "type": "string" }, "rpc_calls": { "type": "integer" }, "rules": { "type": "object" }, "stale_days": { "type": "integer" }, "tokens": { "type": "array" }, "wallet": { "type": "string" } }, "required": [ "chain", "wallet", "risk", "reasons", "allowances", "allowances_total", "tokens", "checked", "history", "stale_days", "rules", "limits" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "builder-code": { "info": { "a": "bc_h7pxv14u" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "a": { "description": "App builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "s": { "description": "Service builder codes", "items": { "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "maxItems": 11, "type": "array" }, "w": { "description": "Wallet builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" } }, "type": "object" } }, "erc20ApprovalGasSponsoring": { "info": { "description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.", "version": "1" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "amount": { "description": "Approval amount (uint256).", "pattern": "^[0-9]+$", "type": "string" }, "asset": { "description": "The ERC-20 token contract address to approve.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "from": { "description": "The address of the sender.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "signedTransaction": { "description": "RLP-encoded signed transaction calling ERC20.approve().", "pattern": "^0x[a-fA-F0-9]+$", "type": "string" }, "spender": { "description": "The address of the spender (Canonical Permit2).", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "version": { "description": "Schema version identifier.", "pattern": "^[0-9]+(\\.[0-9]+)*$", "type": "string" } }, "required": [ "from", "asset", "spender", "amount", "signedTransaction", "version" ], "type": "object" } }, "payment-identifier": { "info": { "required": false }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "id": { "maxLength": 128, "minLength": 16, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "required": { "type": "boolean" } }, "required": [ "required" ], "type": "object" } } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "tanod.dev", "manifest_name": "tanod.dev", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": { "example": { "allowances": [ "value" ], "allowances_total": 0, "block": 0, "block_timestamp": 0, "chain": "string", "checked": {}, "history": {}, "limits": [ "value" ], "reasons": [ "value" ], "risk": "string", "rpc_calls": 0, "rules": {}, "stale_days": 0, "tokens": [ "value" ], "wallet": "string" }, "type": "string" } }