# Create or update a single OTLP integration secret header

**PUT** `/v1/integrations/otlp/{id}/secret-headers/{name}`

**Operation ID**: `upsertOtlpSecretHeader`
**Summary**: Create or update a single OTLP integration secret header
Creates or updates a single secret HTTP header for an OTLP integration.

## Tags
- OpenTelemetry Integration
## Parameters

- **id** (required) - path
  - Type: string
- **name** (required) - path
  - Type: string

## Request Body

**Content-Type**: `application/json`

**Schema**: `SecretApi`

## Responses

### 204

Secret header updated successfully

### 400

Invalid header name or reserved header name

### 401

Unauthorized

### 404

Integration not found.