{"uid":"cap_yILfb5IwTsE-SrTqFQ2f5","slug":"blockchain-money-map-default-asset-token-amount-advisor-6f24310a","name":"Blockchain Money Map Default Asset Token Amount Advisor","description":"Advises whether an x402 route should use dollar-string pricing or explicit TokenAmount facts.","url":"https://api.blockchainmoneymap.com/api/x402/x402-default-asset-tokenamount-advisor?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"mode":{"enum":["check"]},"facts":{"type":"object","required":["network","token","price_format","token_decimals","default_asset_supported_present"],"properties":{"token":{"type":"string","maxLength":500},"amount":{"type":"number"},"network":{"type":"string","maxLength":500},"currency":{"type":"string","maxLength":500},"price_format":{"type":"string","maxLength":500},"token_decimals":{"type":"number"},"explicit_token_amount_present":{"type":"boolean"},"default_asset_supported_present":{"type":"boolean"}},"additionalProperties":false},"policy":{"type":"object","additionalProperties":true},"reference_facts":{"type":"object","required":["network","token","price_format","token_decimals","default_asset_supported_present"],"properties":{"token":{"type":"string","maxLength":500},"amount":{"type":"number"},"network":{"type":"string","maxLength":500},"currency":{"type":"string","maxLength":500},"price_format":{"type":"string","maxLength":500},"token_decimals":{"type":"number"},"explicit_token_amount_present":{"type":"boolean"},"default_asset_supported_present":{"type":"boolean"}},"additionalProperties":false}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mcsIfpLbyfuoJsPvPpfH7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates and advises on the correct token amount to use for x402 payments given a token, network, price format, and decimals configuration","exampleAgentPrompt":"Can you check whether my x402 payment configuration is correct — I'm paying on Base network with USDC, 6 decimals, price format is 'exact', default asset is supported, and the amount is 1000000?","exampleUseCases":[{"title":"Validate USDC x402 payment amount","prompt":"I'm about to send an x402 payment on Base using USDC with 6 decimals and a price of 0.01 — can you check if my token amount of 10000 is correctly set for this configuration?"},{"title":"Check default asset token amount fallback","prompt":"My x402 payment doesn't have an explicit token amount but the default asset is supported on Ethereum. Can you advise on whether the default amount is going to be correct for USDC with 6 decimals and exact price format?"},{"title":"Cross-check token amount against reference facts","prompt":"I have two x402 payment setups — one using 1000000 units on Base with USDC and one using 10000 units on Ethereum — can you compare them and tell me if either has incorrect token amount configuration?"}],"resultDescription":"A JSON response indicating whether the token amount is valid and correctly configured for the given x402 payment context, including advisory guidance on the recommended token amount based on network, token, decimals, price format, and whether default asset or explicit amounts should be used.","failureModes":["Missing required fields (network, token, price_format, token_decimals, default_asset_supported_present) returns validation error","Invalid or unsupported token/network combination may return advisory warning","Incorrect token_decimals relative to known token standards may trigger mismatch advisory","Payment failure if $0.01 USDC x402 fee is not provided upfront"],"whenToPreferThis":"Use this endpoint when building x402-enabled agents that need to validate or compute the correct token amount before submitting a blockchain micropayment, especially when handling dynamic pricing, multiple networks, or tokens with non-standard decimal configurations. It is specifically designed for the x402 payment protocol context rather than general blockchain token lookups.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:40:02.972Z","isFirstParty":false,"canonicalSlug":"blockchain-money-map-default-asset-token-amount-advisor-6f24310a"}