Smartlead

Smartlead Smart Senders API

Automated email account provisioning marketplace

GitHub OpenAPI

Operations 5

GET /v1/smart-senders/vendors Get Vendors #
GET /v1/smart-senders/domain/search Search Domain #
GET /v1/smart-senders/domains Get Domain List #
POST /v1/smart-senders/order Place Order #
POST /v1/smart-senders/auto-generate Auto-Generate Mailboxes #

Documentation

📖
Documentation
https://api.smartlead.ai/introduction
📖
APIReference
https://api.smartlead.ai/api-reference

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/smartlead-ai/refs/heads/main/openapi/smartlead-ai-smart-senders-api-openapi.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/smartlead-ai-smart-senders-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

smartlead-ai-smart-senders-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: SmartLead Smart Senders API
  version: 1.0.0
  description: '# SmartLead API Documentation


    Welcome to the SmartLead API! SmartLead is a comprehensive cold email outreach platform that helps you manage email campaigns, leads, email accounts, and analytics.


    ## Base URL


    All API requests should be made to:

    ```

    https://server.smartlead.ai/api

    ```


    ## Authentication


    SmartLead uses API keys for authentication. Include your API key as a query parameter in all requests:

    ```

    ?api_key=YOUR_API_KEY

    ```


    You can generate your API key from your SmartLead dashboard under Settings > API Keys.


    ## Rate Limiting


    API requests are rate-limited to ensure fair usage. If you exceed the rate limit, you''ll receive a 429 error.


    ## Support


    For API support, contact support@smartlead.ai or visit https://smartlead.ai

    '
  contact:
    name: SmartLead Support
    email: support@smartlead.ai
    url: https://smartlead.ai
  license:
    name: Proprietary
    url: https://smartlead.ai/terms
servers:
- url: https://server.smartlead.ai/api
  description: Production server
- url: https://staging.smartlead.ai/api
  description: Staging server (for testing)
security:
- ApiKeyAuth: []
tags:
- name: Smart Senders
  description: Automated email account provisioning marketplace
paths:
  /v1/smart-senders/vendors:
    get:
      tags:
      - Smart Senders
      summary: Get Vendors
      description: 'Get list of mailbox vendors with pricing and service details.


        **Note:** Smart Senders is a marketplace feature. Contact support@smartlead.ai for access.

        '
      operationId: getVendors
      parameters:
      - $ref: '#/components/parameters/ApiKeyParam'
      responses:
        '200':
          description: Vendors retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                  data:
                    type: array
                    items:
                      type: object
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /v1/smart-senders/domain/search:
    get:
      tags:
      - Smart Senders
      summary: Search Domain
      description: 'Search for available domains for mailbox purchase.

        '
      operationId: searchDomain
      parameters:
      - $ref: '#/components/parameters/ApiKeyParam'
      - name: query
        in: query
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Domain search results retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                  data:
                    type: array
                    items:
                      type: object
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /v1/smart-senders/domains:
    get:
      tags:
      - Smart Senders
      summary: Get Domain List
      description: 'Get list of purchased or available domains.

        '
      operationId: getDomainList
      parameters:
      - $ref: '#/components/parameters/ApiKeyParam'
      responses:
        '200':
          description: Domain list retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                  data:
                    type: array
                    items:
                      type: object
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /v1/smart-senders/order:
    post:
      tags:
      - Smart Senders
      summary: Place Order
      description: 'Place an order for mailbox purchase from a vendor.

        '
      operationId: placeOrder
      parameters:
      - $ref: '#/components/parameters/ApiKeyParam'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - vendor_id
              - quantity
              properties:
                vendor_id:
                  type: integer
                quantity:
                  type: integer
                domain:
                  type: string
      responses:
        '200':
          description: Order placed successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                  order_id:
                    type: integer
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '422':
          $ref: '#/components/responses/ValidationError'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /v1/smart-senders/auto-generate:
    post:
      tags:
      - Smart Senders
      summary: Auto-Generate Mailboxes
      description: 'Automatically generate and configure mailboxes.

        '
      operationId: autoGenerateMailboxes
      parameters:
      - $ref: '#/components/parameters/ApiKeyParam'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - count
              properties:
                count:
                  type: integer
                domain:
                  type: string
      responses:
        '200':
          description: Mailboxes generated successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                  mailboxes:
                    type: array
                    items:
                      type: object
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '422':
          $ref: '#/components/responses/ValidationError'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  responses:
    ValidationError:
      description: Request validation failed
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
                example: Invalid parameters provided
    UnauthorizedError:
      description: Unauthorized - Invalid or missing API key
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                type: string
                example: Invalid API Key
          example:
            message: Invalid API Key
    InternalServerError:
      description: Internal server error
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
                example: Internal server error occurred
  parameters:
    ApiKeyParam:
      name: api_key
      in: query
      description: Your SmartLead API key for authentication
      required: true
      schema:
        type: string
      example: REDACTED_STRIPE_KEY
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: query
      name: api_key
      description: 'Your SmartLead API key. You can generate this from your dashboard under Settings > API Keys.


        Include this as a query parameter in all API requests:

        ```

        ?api_key=YOUR_API_KEY

        ```

        '