agentutility(7)$ man qr-maker
/qr-maker
PRICE / CALL
$0.001
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
webprobeCATEGORY
uncategorized
STATUS
● live
NAME
qr-maker — qr maker api / qr code maker / url to qr / text to qr
synonym alias of qr-code-generate — reuses the canonical handler.
SYNOPSIS
POST https://x402.agentutility.ai/qr-maker
Content-Type: application/json
X-PAYMENT: <signed-transferWithAuthorization>
{ ... }↳ first call →
402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.DESCRIPTION
QR maker API / QR code maker / URL to QR / text to QR. Generates a PNG or SVG QR code from text, URL, vCard, WiFi join string, or plain text. Pure JS encoder, no upstream API.
INPUT — request schema
| property | type | description | req? |
|---|---|---|---|
| text | string | Text to encode. Any string up to ~4296 chars. | required |
| format | string | Output image format. Default 'png'. enum: png · svg | optional |
| size | number | Image side length in pixels. Range [64, 1024]. Default 256. | optional |
| error_correction | string | Reed-Solomon error-correction level. enum: L · M · Q · H | optional |
| margin | number | Quiet-zone margin in modules. Range [0, 20]. Default 4. | optional |
| foreground | string | QR module color as 6 or 8-digit hex. | optional |
| background | string | Background color as 6 or 8-digit hex. | optional |
OUTPUT — response shape
| field | type | description |
|---|---|---|
| format | string | — |
| size | string | — |
| content_type | string | — |
EXAMPLES — two ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.agentutility.ai/qr-maker \
-H 'Content-Type: application/json' \
-d '{ }'first response =
402 Payment Required with payment requirements; sign + retry with X-PAYMENT.EXAMPLE 2 · mcp
# Install the MCP package for this endpoint's cluster npx -y @agentutility/mcp-<cluster> # Required: EVM private key with USDC on Base export X402_PRIVATE_KEY=0x... # Then call the qr-maker tool from your MCP-aware agent.
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
- tags
- web-probeqrmakerqr-maker
- methods
- POST
- cluster
- webprobe
- price
- $0.001 USDC per call
ADJACENT — other endpoints in webprobe
| endpoint | description | price |
|---|---|---|
| crypto-headlines | Crypto headlines API / low-cost cryptocurrency news feed / bitcoin ethereum DeFi headline search. | $0.001 |
| hacker-news-search | Hacker News search / HN search / yc-news / Algolia HN. | $0.001 |
| hn-search | HN search / Hacker News search / yc-news / startup-news search / Algolia HN / who-is-hiring scraper / programmer-news firehose. | $0.001 |
| ip-asn | IP to ASN / IP geolocation / IP-to-ISP lookup / WHOIS for IP / cloud-provider attribution. | $0.001 |
| qr-code-generate | QR code generator / QR maker / vCard QR / WiFi QR / URL to QR / SVG QR / PNG QR / customizable error correction. | $0.001 |
| qr-generator | QR generator API / create QR code / text-to-QR / link QR generator. | $0.001 |
| tld-info | TLD info / top-level domain registry lookup / ccTLD vs gTLD / TLD introduction year / new gTLD registry. | $0.001 |
| user-agent-parse | User-Agent parser / UA classifier / browser detection / OS detection / bot detection / AI crawler identifier (GPTBot, ClaudeBot, Perplexi… | $0.001 |
SEE ALSO