{"uid":"cap__DjQQD3cYa77UzatIrZat","slug":"vendsdk-qr-code-generator-60b25d99","name":"VendSDK QR Code Generator","description":"Generate a PNG QR code URL for payment and onboarding payloads (upstream probed live)","url":"https://vendsdk.com/api/v/qr-code","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["data"],"properties":{"data":{"type":"string","description":"Payload to encode"},"size":{"type":"string","description":"Pixel size 128-512"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"ok":{"type":"boolean"},"png_url":{"type":"string"},"service":{"type":"string"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rI2BtGGdyN2-kQ0Cq6Yua","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates a PNG QR code image URL by encoding an arbitrary payload string (e.g. payment or onboarding data) at a configurable pixel size","exampleAgentPrompt":"Can you generate a QR code PNG for this payment payload — 'https://pay.example.com/invoice/abc123' — at 256 pixels?","exampleUseCases":[{"title":"QR code for crypto payment link","prompt":"Generate a 256-pixel QR code image for this payment URL so my customer can scan it at checkout: 'https://pay.vendsdk.com/pay?to=0xABC&amount=10'"},{"title":"Onboarding invite QR code","prompt":"Create a 512-pixel QR code for my onboarding link 'https://app.myproduct.com/invite?code=XYZ987' so I can print it on a flyer"},{"title":"Wallet address QR for display","prompt":"Make a QR code at 128 pixels that encodes my Bitcoin wallet address 'bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh' so people can scan to send me funds"}],"resultDescription":"Returns a JSON object with an 'ok' boolean, a 'png_url' string pointing to the generated PNG QR code image, and a 'service' identifier string. The agent can use the png_url directly to display, embed, or share the QR code.","failureModes":["Missing or empty 'data' query param returns an error response with ok:false","Pixel size outside the 128–512 range may be rejected or clamped","Malformed or excessively long payload strings may cause encoding failure","Network or upstream rendering errors may result in a non-200 response"],"whenToPreferThis":"Choose this endpoint when you need a fast, hosted PNG QR code URL from an arbitrary string payload — especially for payment links, wallet addresses, or onboarding URLs — without setting up your own QR rendering infrastructure. It is particularly well-suited for agent workflows that already operate in the x402 payment ecosystem and need per-call, pay-as-you-go QR generation at low cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:55:55.385Z","isFirstParty":false}