{"uid":"cap_Ms5o47lUfunzhNk7cj1eN","slug":"nojunk-qr-fd128b26","name":"NoJunk QR","description":"QR Code Generator qr: Encode one text as a QR Code (ISO/IEC 18004, versions 1-40, ECC L/M/Q/H) and return it as SVG, PNG or a JSON matrix.","url":"https://nojunk-qr.mick8511.workers.dev/qr?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"ecc":{"type":"string","description":"Optional: error correction level L (7%), M (15%, default), Q (25%) or H (30%); higher levels survive more damage but hold less text"},"dark":{"type":"string","description":"Optional: hex color of the dark modules (default #000000)"},"size":{"type":"integer","description":"Optional: output width/height in pixels, 128-2048 (default 512); SVG scales freely, PNG uses whole pixels per module centred in the image"},"text":{"type":"string","description":"The content to encode (1-1500 characters, UTF-8): URL, plain text, WIFI:..., mailto:, tel:, vCard, payment URI..."},"light":{"type":"string","description":"Optional: hex color of the background (default #FFFFFF)"},"format":{"type":"string","description":"Optional: \"svg\" (default; body is the SVG document), \"png\" (body is PNG bytes) or \"json\" ({version, ecc, modules, matrix, svg})"},"margin":{"type":"integer","description":"Optional: quiet zone in modules, 0-8 (default 4; the standard recommends 4)"}}},"responseSchema":{"type":"json","example":{"ecc":"M","svg":"","mask":7,"mode":"byte","matrix":["11111110010100100111001111111","10000010000010001010101000001","10111010011100110101001011101","10111010001111000011001011101","10111010010010000110001011101","10000010100010010011101000001","11111110101010101010101111111","00000000001111010111100000000","10010110101010100011010100000","10111001000101001000011001001","00100111000001100101011111110","11100101101101001010011100110","11100010011100111111111101011","10011001001011100011110000000","01100110000101100000000101111","00010001110010011111101111010","00001010001111000101010000010","00011001110011101010011101001","10110110000010100110101100011","00110001100100100100000010011","10010011011000001000111110100","00000000101100101100100010111","11111110000110001000101010010","10000010100100110010100011101","10111010011100001100111110001","10111010101100000101001111110","10111010011100000000110011101","10000010000100111100110110010","11111110101010011110101101010"],"modules":29,"version":3}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Mf9siC9UPRpygDX7oZC1y","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates standards-compliant QR codes from text, URLs, Wi-Fi strings, or payment URIs, returning SVG, PNG, or JSON module matrix output.","exampleAgentPrompt":"Generate a QR code for https://myshop.example.com as a crisp SVG with H error correction and a dark color of #1A237E — I want to print it on packaging.","exampleUseCases":[{"title":"Wi-Fi guest network QR code","prompt":"Create a QR code for my guest Wi-Fi — the network is 'CafeGuest', password is 'sunshine2024', it's WPA2 — output it as an SVG so I can print it and stick it on the counter."},{"title":"Crypto payment QR for checkout","prompt":"Generate a QR code from this payment URI: 'ethereum:0xABC123...?amount=0.05' — use Q error correction and give it back as a PNG at 1024 pixels so I can display it on a payment terminal screen."},{"title":"Batch event ticket QR codes","prompt":"I need QR codes for 20 event ticket IDs — can you batch generate them all in one go as SVGs with M error correction so I can print them on the tickets?"}],"resultDescription":"Returns either a raw SVG document, PNG image bytes, or a JSON object containing the QR version, ECC level, module count, module matrix array, and an embedded SVG — depending on the requested format. Only charged when a valid QR code is successfully produced.","failureModes":["Text exceeds 1500 characters — request rejected","Invalid hex color format for dark/light parameters","Size parameter outside 128-2048 range — validation error","Margin outside 0-8 range — validation error","Invalid ECC value (must be L, M, Q, or H)","Batch exceeds 25 codes — request rejected","Empty or missing text field — encoding fails","Unsupported format value — defaults or errors depending on implementation"],"whenToPreferThis":"Choose this endpoint when you need a fully self-contained, pay-per-call QR code generator with no upstream dependencies, supporting the full ISO/IEC 18004 standard (versions 1-40, all ECC levels), flexible output formats (SVG, PNG, JSON), custom colors, and batch generation up to 25 codes — especially when you want crisp SVG output for print or need a JSON matrix for custom rendering.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-03T18:34:25.064Z","isFirstParty":false,"canonicalSlug":"nojunk-qr-fd128b26"}