PennyRail UUID Validation

x402

PennyRail UUID Validation is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).

Validates whether a given string is a properly formatted UUID

Price / call$0.001

Seller volume →—

Success—

StatusUnknown

How this service works

Machine-readable settlement service

Output

Returns a JSON object indicating whether the supplied input string conforms to valid UUID format, likely including a boolean validity flag and potentially the UUID version or other diagnostic details.

Example use cases

Pre-storage ID format check

“Before I insert this record, can you verify that '6ba7b810-9dad-11d1-80b4-00c04fd430c8' is a properly formatted UUID so I don't corrupt my database?”

User-submitted ID validation

“A user just submitted 'abc-123-xyz' as a resource ID — can you check if that's actually a valid UUID or if I should reject it?”

Generated UUID sanity check

“I just generated a new ID for my service: 'f47ac10b-58cc-4372-a567-0e02b2c3d479' — can you confirm it's a legitimate UUID before I use it?”

Technical details

Endpoint

POSThttps://pennyrail.vercel.app/api/p/nano/validation.uuid--check-uuid

When to prefer

Use this endpoint when you need a lightweight, pay-per-call UUID format check without standing up your own validation logic. Useful for agent workflows that occasionally need to verify identifiers before using them as keys, and where a micro-payment per check is acceptable. Prefer a local regex check for high-volume or latency-critical paths.

Side effects

Missing or empty 'input' field returns a validation error
Malformed request body returns HTTP 400
Payment not included or insufficient funds returns HTTP 402
Non-string input types may cause schema rejection
Service unavailable on Vercel cold start may cause timeout

Input

Schema · Request body

Field	Type	Description
inputrequired	string

Output

Schema · Response

{
  "type": "object",
  "additionalProperties": true
}

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Example use cases

Pre-storage ID format check

“Before I insert this record, can you verify that '6ba7b810-9dad-11d1-80b4-00c04fd430c8' is a properly formatted UUID so I don't corrupt my database?”

User-submitted ID validation

“A user just submitted 'abc-123-xyz' as a resource ID — can you check if that's actually a valid UUID or if I should reject it?”

Generated UUID sanity check

“I just generated a new ID for my service: 'f47ac10b-58cc-4372-a567-0e02b2c3d479' — can you confirm it's a legitimate UUID before I use it?”

Technical details

Endpoint

POSThttps://pennyrail.vercel.app/api/p/nano/validation.uuid--check-uuid

When to prefer

Side effects

Missing or empty 'input' field returns a validation error
Malformed request body returns HTTP 400
Payment not included or insufficient funds returns HTTP 402
Non-string input types may cause schema rejection
Service unavailable on Vercel cold start may cause timeout

Input

Schema · Request body

Field	Type	Description
inputrequired	string

Output

Schema · Response

{
  "type": "object",
  "additionalProperties": true
}