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Documentation Index

Fetch the complete documentation index at: https://docs.apinizer.com/llms.txt

Use this file to discover all available pages before exploring further.

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Endpoint

PATCH /apiops/projects/{projectName}/apiProxies/{apiProxyName}/settings/custom-message/

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Authentication

Requires a Personal API Access Token. 
Authorization: Bearer YOUR_TOKEN

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Request

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Headers

HeaderValueRequired
AuthorizationBearer Yes
Content-Typeapplication/jsonYes

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Path Parameters

ParameterTypeRequiredDescription
projectNamestringYesProject name
apiProxyNamestringYesAPI Proxy name

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Request Body

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Full JSON Body Example

{
  "buildCustomMessage": true,
  "customMessageTemplate": "{\"status\": \"ok\", \"message\": \"Service is running\"}",
  "customMessageContentType": "application/json",
  "customMessageHttpStatusCode": 200,
  "deploy": false,
  "deployTargetEnvironmentNameList": []
}

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Request Body Fields

FieldTypeRequiredDefaultDescription
buildCustomMessagebooleanNofalseEnable custom response message building
customMessageTemplatestringNo-Response body template (supports variables)
customMessageContentTypestringNo-Content-Type header for the custom response
customMessageHttpStatusCodeintegerNo-HTTP status code for the custom response
deploybooleanNofalseIf true, deploy the API proxy after saving changes
deployTargetEnvironmentNameListarray[string]No-List of environment names to deploy to (required when deploy=true)
Note: All fields are optional. Only provided fields are updated.

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Response

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Success Response (200 OK)

{
  "success": true
}
When deploy=true is specified: 
{
  "success": true,
  "deploymentResult": {
    "success": true,
    "deploymentResults": [
      {
        "environmentName": "production",
        "success": true,
        "message": "Deployment successful"
      }
    ]
  }
}

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Response Fields

FieldTypeDescription
successbooleanIndicates if the request was successful
deploymentResultobjectOnly present when deploy=true
deploymentResult.successbooleanOverall deployment success status
deploymentResult.deploymentResultsarrayPer-environment deployment results

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Error Response (401 Unauthorized)

{
  "error": "unauthorized_client",
  "error_description": "Invalid token"
}

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Error Response (404 Not Found)

{
  "error": "not_found",
  "error_description": "ApiProxy (name: MyAPI) was not found!"
}

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cURL Example

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Example 1: Enable Custom JSON Response

curl -X PATCH \
  "https://demo.apinizer.com/apiops/projects/MyProject/apiProxies/MyAPI/settings/custom-message/" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "buildCustomMessage": true,
    "customMessageTemplate": "{\"status\": \"ok\", \"version\": \"1.0\"}",
    "customMessageContentType": "application/json",
    "customMessageHttpStatusCode": 200
  }'

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Example 2: Enable Custom XML Response

curl -X PATCH \
  "https://demo.apinizer.com/apiops/projects/MyProject/apiProxies/MyAPI/settings/custom-message/" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "buildCustomMessage": true,
    "customMessageTemplate": "<response><status>ok</status><message>Service healthy</message></response>",
    "customMessageContentType": "application/xml",
    "customMessageHttpStatusCode": 200
  }'

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Example 3: Disable Custom Message (Resume Normal Routing)

curl -X PATCH \
  "https://demo.apinizer.com/apiops/projects/MyProject/apiProxies/MyAPI/settings/custom-message/" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "buildCustomMessage": false
  }'

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Example 4: Save and Deploy

curl -X PATCH \
  "https://demo.apinizer.com/apiops/projects/MyProject/apiProxies/MyAPI/settings/custom-message/" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "buildCustomMessage": true,
    "customMessageTemplate": "{\"status\": \"ok\"}",
    "customMessageContentType": "application/json",
    "deploy": true,
    "deployTargetEnvironmentNameList": ["production"]
  }'

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Notes and Warnings

  • Custom Message Mode: When buildCustomMessage=true, the gateway returns the custom response template instead of routing to backend
  • Template Variables: The template supports Apinizer variables (e.g., ${request_httpMethod}, ${request_uri}) that are resolved at runtime
  • Content Type: Set customMessageContentType to match your template format (e.g., application/json, application/xml, text/plain)
  • HTTP Status Code: The customMessageHttpStatusCode overrides the default 200 status code
  • Use Cases: Health check endpoints, mock responses, maintenance responses, API versioning redirects
  • Deploy: When deploy=true, the API proxy is automatically deployed to the specified environments after saving

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Permissions

User must have API_MANAGEMENT + MANAGE permission in the project.