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Authorization Scheme Identify
x402
Authorization Scheme Identify is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Identifies the authorization scheme present in a caller-supplied HTTP header without validating credentials or contacting any external provider.
Price / call$0.001
Success—
StatusUnknown
How this service works
Authorization Scheme Identify: Authorization Scheme Identify identifies an Authorization scheme without exposing or validating credentials from bounded caller-supplied values without an external provider. Call Authorization Scheme Identify before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Authorization Scheme Identify as versioned deterministic JSON. Price: $0.001…
Output
Returns versioned deterministic JSON containing normalized web evidence derived from the header, the computed authorization scheme finding (e.g. Bearer, Basic, Digest, etc.), and an explicit pass or advisory status — all processed in-memory without credential retention or external provider calls.
Example use cases
Pre-cache auth scheme detection
“Before I cache this web response, can you tell me what authorization scheme is declared in this header: 'Basic dXNlcjpwYXNz'? I need to know the scheme without exposing the credentials.”
Auth type check before retry logic
“I'm about to retry a failed API request — can you inspect this Authorization header 'Digest username=alice, realm=example' and tell me what auth scheme it's using so I can route the retry correctly?”
Redirect safety pre-check
“Before I redirect this caller's response, identify the authorization scheme in the header 'Bearer abc123token' so I know what kind of auth is involved without validating anything.”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/authorization-scheme-identifyWhen to prefer
Choose this endpoint when you need a deterministic, offline, credential-safe identification of the authorization scheme in a caller-supplied HTTP header before taking any action (caching, redirecting, retrying) on a web response. It is preferable to in-house parsing when you need a versioned, auditable, normalized result without any external provider dependency or credential exposure risk.
Side effects
- Header value exceeds 8192 character limit — request rejected
- Malformed or unparseable header string — advisory status returned with partial evidence
- Missing or empty header field — error or advisory finding returned
- Unrecognized or non-standard scheme — finding returned with advisory status rather than pass
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| header | string | Header supplied to Authorization Scheme Identify; used only for this bounded calculation and processed in memory without retention. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"scheme": "bearer",
"credential_present": true,
"credential_redacted": true
},
"schema": "delx/util-authorization-scheme-identify/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "69801a4a366ce7b9c8daab76826fd6fa433c35c9f108dd4b62f2fdeb0dcdcd60",
"external_calls": 0
},
"operation": "web_reliability:authorization_scheme_identify"
}
}Tags
x402
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