Apollo

Apollo REST API

Apollo.io's REST API provides programmatic access to Apollo's B2B data platform with 230M+ verified contacts and 30M+ companies. The API supports people enrichment, organization enrichment, people search, organization search, accounts and contacts management, deals, sequences, tasks, analytics reporting, and calls management. Authentication via API keys (direct access) or OAuth 2.0 (partner integrations).

GitHub OpenAPI

Documentation

📖
Documentation
https://docs.apollo.io/
📖
GettingStarted
https://docs.apollo.io/docs
📖
APIReference
https://docs.apollo.io/reference
📖
Authentication
https://docs.apollo.io/reference/authentication
📖
RateLimits
https://docs.apollo.io/reference/rate-limits

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/apollo/refs/heads/main/openapi/apollo-openapi.yml

Other Resources

🔗
Tutorials
https://docs.apollo.io/docs/overview-apollo-api-tutorials

OpenAPI Specification

apollo-openapi.yml Raw ↑ 
openapi: 3.1.0
info:
  title: Apollo.io API
  version: 1.0.0
  description: >-
    Apollo.io provides sales intelligence and engagement APIs for prospecting,
    enrichment, sequences, deals, tasks and call records. This minimal
    OpenAPI was generated from the public reference documentation.
servers:
  - url: https://api.apollo.io/v1
    description: Production
x-generated-from: https://docs.apollo.io/
x-generated-by: claude-crawl-2026-05-08
paths:
  /people/match:
    post:
      summary: People enrichment
      operationId: peopleEnrichment
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /people/bulk_match:
    post:
      summary: Bulk people enrichment
      operationId: bulkPeopleEnrichment
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /organizations/enrich:
    get:
      summary: Organization enrichment
      operationId: organizationEnrichment
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /mixed_people/search:
    post:
      summary: People search
      operationId: peopleSearch
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /mixed_companies/search:
    post:
      summary: Organization search
      operationId: organizationSearch
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /organizations/job_postings:
    get:
      summary: Organization job postings
      operationId: organizationJobPostings
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /accounts:
    post:
      summary: Create an account
      operationId: createAccount
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '201':
          description: Created
          content:
            application/json:
              schema:
                type: object
  /accounts/{id}:
    parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
    patch:
      summary: Update an account
      operationId: updateAccount
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /accounts/bulk_create:
    post:
      summary: Bulk create accounts
      operationId: bulkCreateAccounts
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /contacts:
    post:
      summary: Create a contact
      operationId: createContact
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '201':
          description: Created
          content:
            application/json:
              schema:
                type: object
  /contacts/{id}:
    parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
    patch:
      summary: Update a contact
      operationId: updateContact
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /contacts/bulk_create:
    post:
      summary: Bulk create contacts
      operationId: bulkCreateContacts
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /opportunities:
    post:
      summary: Create deal
      operationId: createDeal
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '201':
          description: Created
          content:
            application/json:
              schema:
                type: object
  /opportunities/search:
    get:
      summary: List all deals
      operationId: listDeals
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /opportunities/{id}:
    parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
    get:
      summary: View deal
      operationId: viewDeal
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /emailer_campaigns/search:
    post:
      summary: Search for sequences
      operationId: searchSequences
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /emailer_campaigns/{id}/add_contact_ids:
    parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
    post:
      summary: Add contacts to sequence
      operationId: addContactsToSequence
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /emailer_campaigns/{id}/update_contact_status:
    parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
    post:
      summary: Update contact status in sequence
      operationId: updateContactStatusInSequence
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /tasks:
    post:
      summary: Create a task
      operationId: createTask
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '201':
          description: Created
          content:
            application/json:
              schema:
                type: object
  /tasks/bulk_create:
    post:
      summary: Bulk create tasks
      operationId: bulkCreateTasks
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /tasks/search:
    post:
      summary: Search tasks
      operationId: searchTasks
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /usage_stats/api_usage_stats:
    post:
      summary: View API usage stats
      operationId: viewApiUsageStats
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /phone_calls:
    post:
      summary: Create call records
      operationId: createCallRecords
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '201':
          description: Created
          content:
            application/json:
              schema:
                type: object
  /phone_calls/search:
    get:
      summary: Search for calls
      operationId: searchCalls
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /phone_calls/{id}:
    parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
    put:
      summary: Update call records
      operationId: updateCallRecords
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /users/search:
    get:
      summary: Get a list of users
      operationId: listUsers
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /email_accounts:
    get:
      summary: Get a list of email accounts
      operationId: listEmailAccounts
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
  /sync_report:
    post:
      summary: Sync report
      operationId: syncReport
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object