UUID Generator API Reference
Generate cryptographically random UUID version 4 identifiers (RFC 4122) using the Node.js crypto module. Produces between 1 and 100 UUIDs per request, in standard hyphenated format or compact (no hyphens). Also validates whether a given string is a valid UUID.
Endpoint
/api/uuid-generatorFull URL: https://quickhelp.dev/api/uuid-generator
Request
Content-Type: application/json. No authentication required for the anonymous free tier (30 req/min per IP).
| Field | Type | Required | Description |
|---|---|---|---|
| count | default | No | Number of UUIDs to generate (1–100) |
| format | default | No | hyphenated — standard xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx format; compact — 32 hex characters with no hyphens |
| validate | optional | No | If provided, validate this string as a UUID instead of generating new ones. Returns is_valid and the detected version. |
Response
Returns application/json. On error, returns a JSON object with an error string field and an appropriate HTTP status code.
| Field | Type | Description |
|---|---|---|
| uuids | array | Generated UUID(s) |
| count | number | — |
| format | enum | — |
| is_valid | optional | Set when 'validate' input is provided |
| validated_version | optional | UUID version detected during validation (e.g. 'v4') |
Example
Generate one UUID v4
curl
curl -X POST https://quickhelp.dev/api/uuid-generator \
-H 'Content-Type: application/json' \
-d '{"count":1,"format":"hyphenated"}'Request body
{
"count": 1,
"format": "hyphenated"
}Response
{
"uuids": [
"550e8400-e29b-41d4-a716-446655440000"
],
"count": 1,
"format": "hyphenated"
}Error codes
| Status | Meaning |
|---|---|
| 200 | Success — result in response body |
| 400 | Bad request — invalid input; error field describes the problem |
| 404 | Tool not found |
| 429 | Rate limit exceeded (30 req/min anonymous, 300 req/min free key) |
| 500 | Internal server error — transient; retry with exponential back-off |
OpenAPI spec
The full OpenAPI 3.1 specification for all tools is available at /openapi.json. Import it into Postman, Insomnia, or any OpenAPI-compatible client to get all endpoints with schema validation automatically.