{"uid":"cap_KPqW1auLPhL0_IynYeY_n","slug":"x402-tools-call-budget-diagnostic-f29013f0","name":"x402-tools Call Budget Diagnostic","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/callbudget?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"sku":"callbudget","note":"Example paid JSON shape. Not a live settle.","price":"$0.24","title":"Call Budget"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.24","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":"$0.24/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.24","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.24","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_CMoSLW11_zXu6yCHwmfdi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.24","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a paid diagnostic response describing the 'callbudget' SKU shape, requiring x402/EIP-3009 micropayment of $0.24 USDC to access","exampleAgentPrompt":"Run the x402 callbudget diagnostic on openclawproductions.com — pay the $0.24 USDC via x402 and show me what the paid SKU response looks like.","exampleUseCases":[{"title":"Validate x402 payment flow end-to-end","prompt":"I want to confirm my x402 EIP-3009 payment setup is working correctly — can you hit the callbudget diagnostic endpoint, pay the $0.24 USDC, and show me the full response?"},{"title":"Inspect paid SKU response shape","prompt":"What does a successful paid x402 callbudget response actually look like? Send the payment and fetch the real JSON shape from the openclawproductions diagnostic endpoint."},{"title":"Debug HTTP 402 gating behavior","prompt":"I'm building an x402 integration and need to understand how the 402 error with EIP-3009 extras looks when I don't attach payment — can you probe the callbudget endpoint without paying first so I can see the unpaid rejection response?"}],"resultDescription":"A JSON object containing the SKU name ('callbudget'), a human-readable title ('Call Budget'), the price ('$0.24'), and a diagnostic note confirming the paid response shape. Unpaid requests return HTTP 402 with EIP-3009 payment extras instead.","failureModes":["HTTP 402 returned with EIP-3009 extras when no valid x402 payment header is attached","Payment rejected if USDC authorization amount is below $0.24","OpenX402 facilitator unavailable causes payment settlement failure","Malformed EIP-3009 signature results in 402 or 401 rejection","Rate limiting or repeated calls may be blocked by the facilitator"],"whenToPreferThis":"Use this endpoint when you need to test or demonstrate x402 micropayment gating behavior with a real paid SKU, verify EIP-3009 payment authorization works correctly, or inspect what a legitimate paid x402 JSON response looks like. It is specifically suited for developers integrating x402 into their own APIs who want a live reference implementation requiring OpenX402 as facilitator.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:46:36.113Z","isFirstParty":false,"canonicalSlug":"x402-tools-call-budget-diagnostic-f29013f0"}