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

# Send Email

> Send Single Email



## OpenAPI

````yaml post /emails/send
openapi: 3.0.2
info:
  title: DeliveryKey API Specification
  description: API documentation for DeliveryKey endpoints
  version: v1
  x-logo:
    url: http://app.deliverykey.local/images/deliveryRoundDocs.png
    backgroundColor: '#F4F4F6'
    padding: 5px
    altText: DeliveryKey Logo
servers:
  - url: https://api.deliverykey.com/v1
security: []
tags:
  - name: Account
    description: Current Account
  - name: Domain
    description: Domains
    x-displayName: Domain
  - name: Template
    description: Templates
    x-displayName: Template
  - name: Webhook
    description: Webhooks
    x-displayName: Webhook
  - name: Email
    description: Emails
    x-displayName: Email
paths:
  /emails/send:
    post:
      tags:
        - Email
      summary: Send Email
      description: Send Single Email
      operationId: emails.send
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EmailSent'
        required: true
      responses:
        '201':
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/EmailSent'
        '422':
          $ref: '#/components/responses/errors.422'
components:
  schemas:
    EmailSent:
      required:
        - from
        - to
        - subject
        - html
      properties:
        id:
          description: UUID of the domain in the system
          format: uuid
          type: string
          readOnly: true
          example: b722edc1-7ad4-4845-9fa5-e4c4f2a923d4
        from:
          type: string
          example: contact@contoso.com
        to:
          type: string
          example: recipient@contoso.com
        subject:
          type: string
          example: Hello, World!
        html:
          type: string
          nullable: true
        text:
          type: string
          nullable: true
        created_at:
          description: The date the subscriber was created
          format: date-time
          type: string
          readOnly: true
          example: '2022-10-12T18:57:23.000000Z'
  responses:
    errors.422:
      description: Unprocessable Entity
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                description: A description of all errors
                type: string
                example: The name must be a string.
              fields:
                description: Key Map of fields with array of errors
                type: object
                example:
                  name:
                    - The team name must be a string.
                    - The team name must be at least 1 characters.

````