Coinslot QR Code Generator

x402

Coinslot QR Code Generator is a paid API for AI agents from coinslot.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).

Generates a QR code as a standalone SVG from input text, with configurable error correction level, margin, and dark/light colors.

Price / call$0.005

Seller volume →—

Success—

StatusUnknown

How this service works

Generate a QR code as standalone SVG. POST { text, ecLevel?: 'L'|'M'|'Q'|'H', margin?: 0-8, dark?, light? } (text max 2KB).

Output

A standalone SVG document containing the rendered QR code. The SVG is self-contained and can be embedded in HTML, saved as a file, or printed. The QR code encodes the provided text with the specified error correction level, margin, and custom foreground/background colors.

Example use cases

Branded QR code for business card

“Make a QR code SVG for my website https://morningbloom.coffee with a deep green dark color #1b4332 and a cream background #f8f4e3, medium error correction, and a margin of 3 — I want to put it on my business cards.”

WiFi password QR for office signage

“Generate a QR code for the text WIFI:T:WPA;S:OfficeGuest;P:Welcome2024;; with error correction level Q and a margin of 4 so guests can scan it easily off a printed sign.”

QR code for event check-in link

“Create a high-error-correction QR code SVG — level H — for the URL https://events.example.com/checkin/2024-conf with a black and white color scheme and no margin padding.”

Technical details

Endpoint

POSThttps://coinslot.dev/api/qr

When to prefer

Choose this endpoint when you need a server-side, payment-gated QR code generated as a clean standalone SVG with full control over error correction level, colors, and margin — ideal when you want a vector format suitable for print or embedding without any client-side library dependencies.

Side effects

Text exceeds 2048 characters — request rejected
Invalid hex color format for dark or light parameters — error returned
ecLevel value not in ['L','M','Q','H'] — validation error
margin value outside 0-8 range — validation error
Empty or missing text field — error returned
Payment not provided or insufficient — 402 response

Input

Schema · Request body

Field	Type	Description
dark	string	hex color
text	string
light	string	hex color
margin	integer
ecLevel	string

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