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UUID v3 (URL Namespace) Generator
x402
UUID v3 (URL Namespace) Generator is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).
Generates a deterministic UUID v3 by hashing a given text string in the URL namespace using MD5.
Price / call$0.01
Success—
StatusUnknown
How this service works
Call when an agent needs a deterministic UUID v3 in the url namespace. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/uuid-name-v3-url first.
Output
Returns a UUID v3 string deterministically computed by hashing the input text within the UUID URL namespace (using MD5), always yielding the same UUID for the same input text.
Example use cases
Stable resource ID from URL
“I need a deterministic UUID v3 in the URL namespace for the string 'https://mystore.com/items/widget-blue' — it must always produce the same UUID so I can use it as a stable resource identifier.”
Deduplication key for pipeline
“Create a repeatable UUID v3 using the URL namespace for the text 'order-service:invoice:2024-09-15:customer-7821' so I can use it as a deduplication key across my data pipeline.”
Canonical ID for content item
“What's the UUID v3 (URL namespace) for the text 'urn:article:tech-blog:how-to-use-agents'? I want a canonical, collision-resistant ID that stays the same every time.”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/uuid-name-v3-url?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a deterministic, reproducible UUID v3 in the URL namespace — particularly when idempotency matters (same input must always yield same UUID). Prefer this over UUID v4 when you need stable identifiers for deduplication, caching, or content-addressable lookups. Use the free sandbox POST /v1/sandbox/uuid-name-v3-url first if available; fall back to this paid endpoint only when the sandbox is unavailable or rate-limited.
Side effects
- Empty or missing text input returns a validation error
- Text exceeding 100,000 characters is rejected
- Payment failure (insufficient USDC) results in a 402 response with no UUID returned
- Network timeout or server error returns a 5xx with no result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Input for this SKU. The route description says whether it is plain text, a URL, base64 bytes, or an already-encoded token. |
Tags
x402
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