bcquality/microsoft/knowledge/security/secrettext-with-httpclient.md
Jesper Schulz-Wedde e81632b4be Complete AL review knowledge readiness
Fill telemetry and Query coverage, strengthen thin review domains, correct audited content defects, and add deterministic cheap-model evaluation and reference-integrity safeguards.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 9825b012-e653-496a-9310-c1f4b6f8ac27
2026-07-15 07:19:15 +02:00

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---
bc-version: [23..]
domain: security
keywords: [secrettext, httpclient, setsecretrequesturi, containssecret, headers, http]
technologies: [al]
countries: [w1]
application-area: [all]
---
# Set secret request URIs on HttpRequestMessage
## Description
The secret URI API belongs to `HttpRequestMessage`, not `HttpClient`. `HttpRequestMessage.SetSecretRequestUri(SecretText)` keeps a credential-bearing URI protected, and the prepared request is sent with `HttpClient.Send`. Companion APIs also accept `SecretText`, including `HttpHeaders.Add` for authorization headers and `HttpContent.WriteFrom` for secret request bodies.
## Best Practice
Compose a secret URI with `SecretStrSubstNo`, call `Request.SetSecretRequestUri(SecretUri)`, set the request method, and send the request with `HttpClient.Send(Request, Response)`. For authorization, get the request headers, add a `SecretText` value, and use `ContainsSecret` when checking for that header. See sample: `secrettext-with-httpclient.good.al`.
## Anti Pattern
Holding a credential in `Text`, interpolating it with `StrSubstNo` or concatenation, and passing that plain text to `HttpClient.Get` or `HttpHeaders.Add`. The secret-aware request and header APIs remove the need to materialize the value as `Text`. This HTTP-sink rule supersedes the generic `secrettext-for-credentials.md` rule at the same location. See sample: `secrettext-with-httpclient.bad.al`.