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KSUID Validator
x402
KSUID Validator is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-02).
Validates whether a given string is a well-formed KSUID (K-Sortable Unique Identifier)
Price / call$0.002
Success—
StatusUnknown
How this service works
Call when an agent needs whether a string is a valid ksuid. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/id-ksuid first.
Output
A boolean or structured response indicating whether the provided string is a valid KSUID — conforming to the K-Sortable Unique Identifier format (27-character base62-encoded, timestamp-prefixed identifiers).
Example use cases
Validate incoming ID before processing
“Before I store this record, check if '0ujtsYcgvSTl8PAuAdqWYSMnLOv' is actually a valid KSUID so I don't persist garbage data.”
Sanitize user-submitted identifier
“A user submitted '2T1VQsABC123xyz!!' as a KSUID — can you verify whether it's actually a valid KSUID format?”
Debug ID generation pipeline
“I'm getting errors downstream and I think my ID generator is broken — can you check if '1srOrx2ZWZBpBUvZwXKQmoEYga2' is a properly formed KSUID?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/id-ksuid?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a deterministic, no-network, no-LLM check on whether a string is a valid KSUID. Prefer the free sandbox endpoint POST /v1/sandbox/id-ksuid when available to avoid the $0.002 USDC cost. Choose this paid version only when the sandbox is unavailable or for production workloads requiring guaranteed SLA.
Side effects
- Empty or missing value field returns an error
- String exceeding maxLength of 20000 characters rejected
- Malformed request body returns 400-level error
- Payment failure or insufficient USDC balance prevents execution
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| data | — | JSON value for schema-check SKUs. Omit it on string checks such as email or IBAN. |
| value | string | Value to check. The route description names the format: email, phone, IBAN, postal code, VAT, national id, or similar. |
| schema | — | JSON Schema document for schema-check SKUs. Omit it on string checks. |
Tags
x402
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