> ## Documentation Index > Fetch the complete documentation index at: https://docs.telegent.com/llms.txt > Use this file to discover all available pages before exploring further. # Delete Feature Assignment > Remove a feature assignment by its `FeatureAssignmentId`. This unlinks the feature from the associated subscription; the feature itself is not deleted. **What this does:** Returns a deletion confirmation. The subscription will no longer have access to the capability provided by this feature. **Next steps:** - Re-assign the feature — `POST /v1.0/subscriptions/features/assignments/add` ## OpenAPI ````yaml /api-reference/openapi.json post /v1.0/subscriptions/features/assignments/delete openapi: 3.0.3 info: title: mPaaS Core APIs version: 1.0.8 description: >- The Telegent mPaaS (Mobile Platform as a Service) API gives you full programmatic control over mobile phone numbers, messaging, voice routing, subscribers, and account management. Use these APIs to provision MVNO and IoT numbers, send and receive SMS/MMS, configure intelligent call routing, manage subscriber accounts, and apply AI Guardian controls. All requests require a Bearer token obtained from the Authentication endpoint. For support, visit https://support.telegent.com/support/home contact: name: Support email: support@telegent.com termsOfService: https://telegent.com/terms license: name: Use under LICX url: https://telegent.com/license servers: - url: https://api.telegent.com security: - BearerAuth: [] tags: - name: OAuth2 - name: AI Guardian - name: Accounts - name: Distributors - name: Message - name: Numbers - name: Voicemail - name: Packages - name: Products - name: Schedules - name: Services - name: Sims - name: Subscribers - name: Subscriptions - name: Voice - name: Workgroups paths: /v1.0/subscriptions/features/assignments/delete: post: tags: - Subscriptions summary: Delete Feature Assignment description: >- Remove a feature assignment by its `FeatureAssignmentId`. This unlinks the feature from the associated subscription; the feature itself is not deleted. **What this does:** Returns a deletion confirmation. The subscription will no longer have access to the capability provided by this feature. **Next steps:** - Re-assign the feature — `POST /v1.0/subscriptions/features/assignments/add` requestBody: description: FeatureAssignment object content: application/json: schema: $ref: '#/components/schemas/Delete_Feature_Assignment_Request' text/json: schema: $ref: '#/components/schemas/Delete_Feature_Assignment_Request' application/*+json: schema: $ref: '#/components/schemas/Delete_Feature_Assignment_Request' responses: '200': description: Feature assignment removed content: application/json: schema: type: object examples: example: value: FeatureAssignmentId: FAID-00000001-0000-0000-0000-000000000001 FeatureAssignmentStatus: Deleted '400': description: Bad Request content: text/plain: schema: $ref: '#/components/schemas/BadRequest_Result' application/json: schema: $ref: '#/components/schemas/BadRequest_Result' examples: example: value: StatusCode: 400 Message: >- Bad request: one or more required fields are missing or contain an invalid value. text/json: schema: $ref: '#/components/schemas/BadRequest_Result' '401': description: Unauthorized content: text/plain: schema: $ref: '#/components/schemas/Unauthorized_Result' application/json: schema: $ref: '#/components/schemas/Unauthorized_Result' examples: example: value: StatusCode: 401 Message: >- Unauthorized: Bearer token is missing, expired, or invalid. Re-authenticate via POST /v1.0/oauth2/tokens. text/json: schema: $ref: '#/components/schemas/Unauthorized_Result' '403': description: Forbidden content: text/plain: schema: $ref: '#/components/schemas/Forbidden_Result' application/json: schema: $ref: '#/components/schemas/Forbidden_Result' examples: example: value: StatusCode: 403 Message: >- Forbidden: your token does not have permission to access this resource. Check the ApiEndpoint scope. text/json: schema: $ref: '#/components/schemas/Forbidden_Result' '404': description: Not Found content: text/plain: schema: $ref: '#/components/schemas/NotFound_Result' application/json: schema: $ref: '#/components/schemas/NotFound_Result' examples: example: value: StatusCode: 404 Message: >- Not found: the requested resource does not exist or belongs to a different account. text/json: schema: $ref: '#/components/schemas/NotFound_Result' '405': description: Method Not Allowed content: text/plain: schema: $ref: '#/components/schemas/MethodNotAllowed_Result' application/json: schema: $ref: '#/components/schemas/MethodNotAllowed_Result' examples: example: value: StatusCode: 405 Message: >- Method not allowed: verify the HTTP method required for this endpoint. text/json: schema: $ref: '#/components/schemas/MethodNotAllowed_Result' '408': description: Request Timeout content: text/plain: schema: $ref: '#/components/schemas/RequestTimeout_Result' application/json: schema: $ref: '#/components/schemas/RequestTimeout_Result' examples: example: value: StatusCode: 408 Message: >- Request timeout: the server did not receive a complete request within the allowed time. Retry with exponential backoff. text/json: schema: $ref: '#/components/schemas/RequestTimeout_Result' '429': description: Too Many Requests content: text/plain: schema: $ref: '#/components/schemas/TooManyRequests_Result' application/json: schema: $ref: '#/components/schemas/TooManyRequests_Result' examples: example: value: StatusCode: 429 Message: >- Too many requests: rate limit exceeded. Slow your request cadence and retry after a short delay. text/json: schema: $ref: '#/components/schemas/TooManyRequests_Result' '500': description: Server Error content: text/plain: schema: $ref: '#/components/schemas/InternalServerError_Result' application/json: schema: $ref: '#/components/schemas/InternalServerError_Result' examples: example: value: StatusCode: 500 Message: >- Internal server error: an unexpected error occurred. If the problem persists contact support@telegent.com. text/json: schema: $ref: '#/components/schemas/InternalServerError_Result' '503': description: Service Unavailable content: text/plain: schema: $ref: '#/components/schemas/ServiceUnavailable_Result' application/json: schema: $ref: '#/components/schemas/ServiceUnavailable_Result' examples: example: value: StatusCode: 503 Message: >- Service unavailable: the API is temporarily unavailable. Retry after a short delay. text/json: schema: $ref: '#/components/schemas/ServiceUnavailable_Result' '504': description: Gateway Timeout content: text/plain: schema: $ref: '#/components/schemas/GatewayTimeout_Result' application/json: schema: $ref: '#/components/schemas/GatewayTimeout_Result' examples: example: value: StatusCode: 504 Message: >- Gateway timeout: an upstream service did not respond in time. Retry with exponential backoff. text/json: schema: $ref: '#/components/schemas/GatewayTimeout_Result' components: schemas: Delete_Feature_Assignment_Request: type: object required: - FeatureAssignmentId properties: FeatureAssignmentId: type: string nullable: false description: ID of the feature assignment to remove (`FAID-`). example: FAID-00000001-0000-0000-0000-000000000001 additionalProperties: false BadRequest_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 Message: type: string nullable: true additionalProperties: false Unauthorized_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 Message: type: string nullable: true additionalProperties: false Forbidden_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 Message: type: string nullable: true additionalProperties: false NotFound_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 Message: type: string nullable: true additionalProperties: false MethodNotAllowed_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 Message: type: string nullable: true additionalProperties: false RequestTimeout_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 Message: type: string nullable: true additionalProperties: false TooManyRequests_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 Message: type: string nullable: true additionalProperties: false InternalServerError_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 Message: type: string nullable: true additionalProperties: false ServiceUnavailable_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 Message: type: string nullable: true additionalProperties: false GatewayTimeout_Result: required: - StatusCode type: object properties: StatusCode: type: integer format: int32 Message: type: string nullable: true additionalProperties: false ````