{"id":"135edead-c432-4cd2-a0e2-8200ab1d3552","shortId":"FRwQH9","kind":"x402","title":"Check the ERC20 allowance an owner has granted a spender, returns raw and formatted amount with token symbol and decimals on five EVM chains","tagline":"Check the ERC20 allowance an owner has granted a spender, returns raw and formatted amount with token symbol and decimal","description":"Check the ERC20 allowance an owner has granted a spender, returns raw and formatted amount with token symbol and decimals on five EVM chains. token allowance, erc20 approval check, spender allowance, approval audit, revoke helper data","tags":[],"capabilities":["x402-base","http-get"],"categories":[],"synonyms":[],"warnings":[],"endpointUrl":"https://api.x402node.dev/chain/token-allowance","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://api.x402node.dev/chain/token-allowance","description":"Check the ERC20 allowance an owner has granted a spender, returns raw and formatted amount with token symbol and decimals on five EVM chains. token allowance, erc20 approval check, spender allowance, approval audit, revoke helper data","outputSchema":{"input":{"type":"http","method":"GET","queryParams":{"chain":"ethereum, base (default), arbitrum, optimism, polygon","owner":"Owner address (required)","token":"ERC20 contract (required)","spender":"Spender address (required)"},"discoverable":true}},"maxAmountRequired":"5000","maxTimeoutSeconds":60}]},"qualityScore":"0.000","qualityRationale":null,"verified":false,"liveness":"unknown","lastLivenessCheck":null,"agentReviews":{"count":0,"score_avg":null,"cost_usd_avg":null,"success_rate":null,"latency_p50_ms":null,"narrative_summary":null,"summary_updated_at":null},"enrichmentModel":null,"enrichmentVersion":1,"enrichedAt":null,"embedding":null,"createdAt":"2026-06-12T03:05:56.767Z","updatedAt":"2026-06-23T05:51:36.535Z","lastSeenAt":"2026-06-23T05:51:36.535Z","tsv":"'allow':4,28,48,70,75 'amount':15,39,59 'approv':72,76 'audit':77 'chain':24,68 'check':1,25,45,73 'data':80 'decim':20,44,64 'erc20':3,27,47,71 'evm':23,67 'five':22,66 'format':14,38,58 'grant':8,32,52 'helper':79 'http-get' 'owner':6,30,50 'raw':12,36,56 'return':11,35,55 'revok':78 'spender':10,34,54,74 'symbol':18,42,62 'token':17,41,61,69 'x402-base'","prices":[{"id":"f3c33dae-0f78-40a6-857b-7ef615c09c2d","listingId":"135edead-c432-4cd2-a0e2-8200ab1d3552","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"5000","chain":"base","payTo":"0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://api.x402node.dev/chain/token-allowance","description":"Check the ERC20 allowance an owner has granted a spender, returns raw and formatted amount with token symbol and decimals on five EVM chains. token allowance, erc20 approval check, spender allowance, approval audit, revoke helper data","outputSchema":{"input":{"type":"http","method":"GET","queryParams":{"chain":"ethereum, base (default), arbitrum, optimism, polygon","owner":"Owner address (required)","token":"ERC20 contract (required)","spender":"Spender address (required)"},"discoverable":true}},"maxAmountRequired":"5000","maxTimeoutSeconds":60}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":60},"createdAt":"2026-06-12T03:05:56.767Z"}],"sources":[{"listingId":"135edead-c432-4cd2-a0e2-8200ab1d3552","source":"x402_bazaar","sourceId":"https://api.x402node.dev/chain/token-allowance","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-06-12T03:05:56.767Z","lastSeenAt":"2026-06-23T05:51:36.535Z"}],"details":{"listingId":"135edead-c432-4cd2-a0e2-8200ab1d3552","quickStartSnippet":null,"exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","queryParams":{"chain":"ethereum, base (default), arbitrum, optimism, polygon","owner":"Owner address (required)","token":"ERC20 contract (required)","spender":"Spender address (required)"},"discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[],"useCases":[],"bestFor":[],"notFor":[],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-06-20T05:27:53.617Z"},"updatedAt":"2026-06-23T05:51:36.535Z"}}