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Pyfile Toolkit HMAC Generator
x402
Pyfile Toolkit HMAC Generator is a paid API for AI agents from pyfile-agent.taile3ff35.ts.net, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Computes an HMAC (Hash-based Message Authentication Code) for a given input string using a specified algorithm and secret key
Price / call$0.003
Success—
StatusUnknown
How this service works
HMAC a string. ?algo=sha256&key=k&input=hello
Output
Returns the computed HMAC digest string for the given input, algorithm, and key — typically a hex-encoded authentication code that can be used to verify message integrity or authenticate API requests.
Example use cases
Webhook signature verification
“I need to verify that an incoming webhook is legitimate — can you compute an HMAC-SHA256 of the payload 'order_id=123&status=paid' using my secret key 'wh_secret_abc'?”
API request signing
“Sign the string 'GET /api/v1/users timestamp=1717000000' with HMAC-SHA256 using my API secret key 'prod_key_xyz' so I can include it in my request header.”
Message integrity check
“Compute an HMAC of the message 'transfer 500 USD to account 9876' with key 'audit_key_42' using SHA256, so I can compare it to the MAC I stored earlier.”
Technical details
Endpoint
GEThttps://pyfile-agent.taile3ff35.ts.net/data/hmacWhen to prefer
Use this endpoint when you need a quick, stateless HMAC computation without setting up a local crypto library — especially useful in agent pipelines that need to sign messages, verify webhook payloads, or authenticate API calls using a shared secret. Prefer this over general-purpose code execution when you just need the HMAC value and want a simple GET call.
Side effects
- Missing required 'input' query parameter returns an error
- Unsupported algorithm value may return an error or empty result
- Empty or missing key may produce an unkeyed hash or error
- Malformed query parameters may result in a 400 bad request
- Network timeout on the Tailscale-hosted endpoint
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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