> ## Documentation Index
> Fetch the complete documentation index at: https://developers.telnyx.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Replace an email template

> Replaces template fields. Behaves identically to PATCH; provided for compatibility with Phoenix resource routes.



## OpenAPI

````yaml /openapi/generated/email/templates.yml put /email_templates/{id}
openapi: 3.1.0
info:
  contact:
    email: support@telnyx.com
  description: API for managing email templates and rendering.
  title: Telnyx Email Templates API
  version: 2.0.0
servers:
  - url: https://api.telnyx.com/v2
security:
  - bearerAuth: []
paths:
  /email_templates/{id}:
    put:
      tags:
        - Email Templates
      summary: Replace an email template
      description: >-
        Replaces template fields. Behaves identically to PATCH; provided for
        compatibility with Phoenix resource routes.
      operationId: ReplaceEmailTemplate
      parameters:
        - $ref: '#/components/parameters/TemplateId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateEmailTemplateRequest'
      responses:
        '200':
          description: Template updated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EmailTemplateResponse'
        '401':
          $ref: '#/components/responses/email_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/email_NotFoundResponse'
        '422':
          $ref: '#/components/responses/ValidationErrorResponse'
      x-codeSamples:
        - lang: JavaScript
          source: |-
            import Telnyx from 'telnyx';

            const client = new Telnyx({
              apiKey: process.env['TELNYX_API_KEY'], // This is the default and can be omitted
            });

            const EmailTemplate = await client.emailTemplates.update('id', {
              name: 'name',
            });

            console.log(EmailTemplate.data);
        - lang: Python
          source: |-
            import os
            from telnyx import Telnyx

            client = Telnyx(
                api_key=os.environ.get("TELNYX_API_KEY"),  # This is the default and can be omitted
            )
            email_template = client.email_templates.update(
                id="id",
                name="name",
            )
            print(email_template.data)
        - lang: Go
          source: "package main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\n\t\"github.com/team-telnyx/telnyx-go\"\n\t\"github.com/team-telnyx/telnyx-go/option\"\n)\n\nfunc main() {\n\tclient := telnyx.NewClient(\n\t\toption.WithAPIKey(\"My API Key\"),\n\t)\n\temailTemplate, err := client.EmailTemplates.Update(\n\t\tcontext.TODO(),\n\t\t\"id\",\n\t\ttelnyx.EmailTemplateUpdateParams{\n\t\t\tName: telnyx.String(\"name\"),\n\t\t},\n\t)\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n\tfmt.Printf(\"%+v\\n\", emailTemplate.Data)\n}\n"
        - lang: Java
          source: >-
            package com.telnyx.sdk.example;


            import com.telnyx.sdk.client.TelnyxClient;

            import com.telnyx.sdk.client.okhttp.TelnyxOkHttpClient;

            import
            com.telnyx.sdk.models.emailTemplates.EmailTemplateUpdateParams;


            public final class Main {
                private Main() {}

                public static void main(String[] args) {
                    TelnyxClient client = TelnyxOkHttpClient.fromEnv();

                    EmailTemplateUpdateParams params = EmailTemplateUpdateParams.builder()
                        .name("name")
                        .build();
                    var response = client.emailTemplates().update("id", params);
                }
            }
        - lang: Ruby
          source: |-
            require "telnyx"

            telnyx = Telnyx::Client.new(api_key: "My API Key")

            email_template = telnyx.email_templates.update("id", name: "name")

            puts(email_template)
        - lang: PHP
          source: >-
            <?php


            require_once dirname(__DIR__) . '/vendor/autoload.php';


            use Telnyx\Client;

            use Telnyx\Core\Exceptions\APIException;


            $client = new Client(apiKey: getenv('TELNYX_API_KEY') ?: 'My API
            Key');


            try {
              $email_template = $client->emailTemplates->update(
                'id',
                name: 'name',
              );

              var_dump($email_template);
            } catch (APIException $e) {
              echo $e->getMessage();
            }
        - lang: CLI
          source: |-
            telnyx email-templates update \
              --api-key 'My API Key' \
              --id id \
              --name name
components:
  parameters:
    TemplateId:
      name: id
      in: path
      required: true
      description: Email template UUID.
      schema:
        type: string
        format: uuid
  schemas:
    UpdateEmailTemplateRequest:
      type: object
      properties:
        name:
          type: string
          pattern: ^[A-Za-z0-9 _-]+$
        subject:
          type:
            - string
            - 'null'
          description: Liquid template subject.
        html_body:
          type:
            - string
            - 'null'
          description: Liquid template HTML body.
        text_body:
          type:
            - string
            - 'null'
          description: Liquid template text body.
        variables:
          type: array
          items:
            type: string
    EmailTemplateResponse:
      type: object
      properties:
        data:
          $ref: '#/components/schemas/EmailTemplate'
      required:
        - data
    EmailTemplate:
      type: object
      properties:
        record_type:
          type: string
          enum:
            - email_template
        id:
          type: string
          format: uuid
        name:
          type: string
        subject:
          type:
            - string
            - 'null'
        html_body:
          type:
            - string
            - 'null'
        text_body:
          type:
            - string
            - 'null'
        variables:
          type: array
          items:
            type: string
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time
      required:
        - record_type
        - id
        - name
        - subject
        - html_body
        - text_body
        - variables
        - created_at
        - updated_at
    email_ErrorResponse:
      type: object
      properties:
        errors:
          type: array
          items:
            $ref: '#/components/schemas/ErrorObject'
        suppressed:
          type: array
          description: >-
            Present when every recipient is suppressed, so the request is
            rejected and no message is created.
          items:
            $ref: '#/components/schemas/SuppressedRecipient'
      required:
        - errors
    ErrorObject:
      type: object
      properties:
        code:
          type: string
          description: >-
            Telnyx error code. Edge idempotency errors use 10027 or 10036.
            Fallback 404/500 responses from the framework may use string status
            codes ('404', '500') instead.
          enum:
            - '10001'
            - '10006'
            - '10007'
            - '10015'
            - '10016'
            - '10019'
            - recipient_suppressed
            - reputation_suspended
            - '404'
            - '500'
            - '10027'
            - '10036'
        title:
          type: string
        detail:
          description: >-
            Human-readable error detail. Changeset responses may return a
            structured object.
          oneOf:
            - type: string
            - type: object
              additionalProperties: true
        source:
          type:
            - object
            - 'null'
          additionalProperties: true
        meta:
          type:
            - object
            - 'null'
          additionalProperties: true
          description: Additional metadata. Present on 401 errors with a documentation URL.
      required:
        - code
        - title
        - detail
    SuppressedRecipient:
      type: object
      properties:
        to:
          type: string
          format: email
          description: Suppressed recipient email address.
        reason:
          type: string
          description: Suppression reason returned by the recipient suppression service.
        scope:
          type: string
          description: Scope at which the suppression applies.
        override_allowed:
          type: boolean
          description: Whether an authorized send may override this suppression.
      required:
        - to
        - reason
        - scope
        - override_allowed
  responses:
    email_UnauthorizedResponse:
      description: Not authorized (10006).
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/email_ErrorResponse'
          example:
            errors:
              - code: '10006'
                title: Not authorized
                detail: Invalid API key
                meta:
                  url: https://developers.telnyx.com/docs/overview/errors/10006
    email_NotFoundResponse:
      description: Resource not found (10001).
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/email_ErrorResponse'
          example:
            errors:
              - code: '10001'
                title: Not Found
                detail: The requested resource was not found
    ValidationErrorResponse:
      description: Validation Failed (10015) or changeset validation error.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/email_ErrorResponse'
          example:
            errors:
              - code: '10015'
                title: Validation Failed
                detail: subject can't be blank
                source:
                  pointer: /data/attributes/subject
  securitySchemes:
    bearerAuth:
      scheme: bearer
      type: http

````