Apollo API Documentation

aid: apollo-api-documentation
name: Apollo API Documentation
description: Apollo.io is a sales intelligence and engagement platform. Its REST API provides programmatic access to a database
  of over 240 million contacts and 30 million companies, covering people and organization enrichment (single and bulk), people/company/news
  search, and go-to-market workflow management across accounts, contacts, deals, sequences, emails, tasks, calls, conversations,
  lists and custom fields. Apollo users authenticate with an API key in the x-api-key header; partners building on behalf
  of mutual users authenticate with OAuth 2.0. Apollo publishes a complete OpenAPI 3.1 specification, a hosted remote MCP
  server at mcp.apollo.io, and a first-party CLI.
type: Index
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
position: Consuming
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/apollo-api-documentation.png
tags:
- API Documentation
- Sales Intelligence
- Data Enrichment
- People Search
- Company Search
- Sales Engagement
- CRM
- MCP
- Agents
- Go-To-Market
created: '2025-07-10'
modified: '2026-08-14'
url: https://raw.githubusercontent.com/api-evangelist/apollo-api-documentation/refs/heads/main/apis.yml
specificationVersion: '0.23'
apis:
- aid: apollo-api-documentation:apollo-api-documentation-accounts-api
  name: Apollo API Accounts
  description: Create, update, and search the companies your team tracks in Apollo. Harvested from the Apollo-published OpenAPI
    3.1 specification — 8 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Account
  tags_raw:
  - Accounts
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-accounts-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-accounts-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-accounts-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-analytics-api
  name: Apollo API Analytics
  description: Query saved analytics reports. Harvested from the Apollo-published OpenAPI 3.1 specification — 1 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Analytics
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-analytics-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-analytics-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-analytics-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-calls-api
  name: Apollo API Calls
  description: Log and update call records made inside or outside Apollo. Harvested from the Apollo-published OpenAPI 3.1
    specification — 3 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Calls
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-calls-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-calls-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-calls-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-contacts-api
  name: Apollo API Contacts
  description: Create, update, and search the people your team saves in Apollo. Harvested from the Apollo-published OpenAPI
    3.1 specification — 10 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Contacts
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-contacts-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-contacts-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-contacts-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-conversations-api
  name: Apollo API Conversations
  description: Search, export, and retrieve recorded conversations. Harvested from the Apollo-published OpenAPI 3.1 specification
    — 4 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Conversations
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-conversations-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-conversations-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-conversations-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-deals-api
  name: Apollo API Deals
  description: Create, update, and track deals in your pipeline. Harvested from the Apollo-published OpenAPI 3.1 specification
    — 5 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Deals
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-deals-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-deals-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-deals-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-emailer-messages-api
  name: Apollo API Emailer Messages
  description: The Emailer Messages surface of the Apollo API. Harvested from the Apollo-published OpenAPI 3.1 specification
    — 4 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Emailer Messages
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-emailer-messages-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-emailer-messages-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-emailer-messages-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-enrichment-api
  name: Apollo API Enrichment
  description: Enrich people and company records, individually or in bulk. Harvested from the Apollo-published OpenAPI 3.1
    specification — 4 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Enrichment
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-enrichment-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-enrichment-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-enrichment-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-fields-api
  name: Apollo API Fields
  description: List, create, and update the fields and custom fields in your Apollo account. Harvested from the Apollo-published
    OpenAPI 3.1 specification — 4 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Fields
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-fields-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-fields-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-fields-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-miscellaneous-api
  name: Apollo API Miscellaneous
  description: Users, email accounts, lists, notes, usage stats, and webhook results. Harvested from the Apollo-published
    OpenAPI 3.1 specification — 12 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags: []
  tags_raw:
  - Miscellaneous
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-miscellaneous-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-miscellaneous-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-miscellaneous-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-search-api
  name: Apollo API Search
  description: Search Apollo's database of people, companies, news articles, and job postings. Harvested from the Apollo-published
    OpenAPI 3.1 specification — 6 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-search-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-search-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-search-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-sequences-api
  name: Apollo API Sequences
  description: Manage outreach sequences and the contacts enrolled in them. Harvested from the Apollo-published OpenAPI 3.1
    specification — 12 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Sequences
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-sequences-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-sequences-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-sequences-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-tasks-api
  name: Apollo API Tasks
  description: Create and search tasks for your go-to-market workflows. Harvested from the Apollo-published OpenAPI 3.1 specification
    — 7 operation(s).
  humanURL: https://docs.apollo.io/reference/apollo-api
  baseURL: https://api.apollo.io/api/v1
  tags:
  - Task
  tags_raw:
  - Tasks
  properties:
  - type: OpenAPI
    url: openapi/apollo-api-documentation-tasks-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/apollo-api
  - type: GettingStarted
    url: https://docs.apollo.io/docs/build-with-apollo
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
  - type: RateLimits
    url: https://docs.apollo.io/reference/rate-limits
  - type: Tutorials
    url: https://docs.apollo.io/docs/capabilities
  - type: FAQ
    url: https://docs.apollo.io/docs/developer-faqs
  - type: Overlay
    url: overlays/apollo-api-documentation-tasks-overlay.yaml
  - type: PostmanCollection
    url: collections/apollo-api-documentation-tasks-api.postman_collection.json
- aid: apollo-api-documentation:apollo-api-documentation-mcp
  name: Apollo MCP
  description: Apollo's hosted remote Model Context Protocol server. Streamable HTTP transport at https://mcp.apollo.io/mcp,
    OAuth 2.0 authorization with dynamic client registration, exposing Apollo search, enrichment, CRM, sequence, task and
    analytics actions to AI clients.
  humanURL: https://docs.apollo.io/docs/apollo-mcp
  baseURL: https://mcp.apollo.io/mcp
  tags:
  - MCP
  - Agents
  - Artificial Intelligence
  tags_raw:
  - MCP
  - Agents
  - AI
  properties:
  - type: MCPServer
    url: mcp/apollo-api-documentation-mcp.yml
  - type: ToolCrosswalk
    url: mcp/apollo-api-documentation-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.apollo.io/docs/apollo-mcp
  - type: Authentication
    url: https://docs.apollo.io/reference/authentication
common:
- type: Website
  url: https://www.apollo.io/
- type: Authentication
  url: authentication/apollo-api-documentation-authentication.yml
- type: AgenticAccess
  url: agentic-access/apollo-api-documentation-agentic-access.yml
- type: TrustCenter
  url: security/apollo-api-documentation-trust-center.yml
- type: DomainSecurity
  url: security/apollo-api-documentation-domain-security.yml
- url: https://www.apollo.io/magazine
  type: Blog
- type: GitHubOrganization
  url: https://github.com/apolloio
- type: Documentation
  url: https://docs.apollo.io/
- type: GettingStarted
  url: https://docs.apollo.io/docs/build-with-apollo
- type: APIReference
  url: https://docs.apollo.io/reference/apollo-api
- type: Authentication
  url: https://docs.apollo.io/reference/authentication
- type: RateLimits
  url: https://docs.apollo.io/reference/rate-limits
- type: Features
  data:
  - name: People Enrichment
    description: Enrich contact records with data from Apollo's 210M+ contact database.
  - name: Organization Enrichment
    description: Enrich company records with data from Apollo's 35M+ company database.
  - name: People Search
    description: Search Apollo's contact database to find and identify sales prospects.
  - name: Organization Search
    description: Search Apollo's company database for target accounts and job postings.
  - name: CRM Integration
    description: Manage accounts, contacts, deals, and sequences via the REST API.
  - name: OAuth 2.0 Partner Integration
    description: Partners use OAuth 2.0 to build integrations accessing Apollo data on behalf of customers.
  - name: Interactive Try It
    description: Interactive API testing capability built directly into the documentation.
  - name: Analytics Reporting
    description: Query analytics reports for performance metrics via the API.
- type: UseCases
  data:
  - name: Sales Intelligence
    description: Access Apollo's contact and company database for prospecting and outreach.
  - name: Data Enrichment Pipelines
    description: Enrich CRM records with contact and organization data at scale.
  - name: Partner Integrations
    description: Build third-party integrations using OAuth 2.0 to access Apollo data for mutual customers.
  - name: Workflow Automation
    description: Automate sales workflows including sequences, tasks, and deal management.
- type: Integrations
  data:
  - name: OAuth 2.0
    description: Partner integration protocol for accessing Apollo data on behalf of customers.
  - name: API Key Authentication
    description: Direct API key access for customers building internal integrations.
- type: LlmsText
  url: https://docs.apollo.io/llms.txt
- type: OpenAPI
  url: openapi/_original/apollo-api-documentation-apollo-rest-api-openapi.json
- type: Packages
  url: packages/apollo-api-documentation-packages.yml
- type: WellKnown
  url: well-known/apollo-api-documentation-well-known.yml
- type: MCPServer
  url: mcp/apollo-api-documentation-mcp.yml
- type: ToolCrosswalk
  url: mcp/apollo-api-documentation-tool-crosswalk.yml
- type: LLMsTxt
  url: llms/apollo-api-documentation-llms.txt
- type: Overlay
  url: overlays/apollo-api-documentation-enrichment-overlay.yaml
- type: Conformance
  url: conformance/apollo-api-documentation-conformance.yml
- type: Compliance
  url: https://trust.apollo.io/
- type: ErrorCatalog
  url: errors/apollo-api-documentation-problem-types.yml
- type: Lifecycle
  url: lifecycle/apollo-api-documentation-lifecycle.yml
- type: StatusPage
  url: https://status.apollo.io
- type: OAuthScopes
  url: scopes/apollo-api-documentation-scopes.yml
- type: Conventions
  url: conventions/apollo-api-documentation-conventions.yml
- type: CLI
  url: cli/apollo-api-documentation-cli.yml
- type: DataModel
  url: data-model/apollo-api-documentation-data-model.yml
- type: Webhooks
  url: asyncapi/apollo-api-documentation-webhooks.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Plans
  url: plans/apollo-api-documentation-plans-pricing.yml
- type: RateLimits
  url: rate-limits/apollo-api-documentation-rate-limits.yml
- type: FinOps
  url: finops/apollo-api-documentation-finops.yml
- type: PostmanCollection
  url: collections/apollo-api-documentation.postman_collection.json
- type: DeveloperPortal
  url: https://docs.apollo.io/
- type: Quickstart
  url: https://docs.apollo.io/docs/create-api-key
- type: Support
  url: https://www.apollo.io/contact
- type: FAQ
  url: https://docs.apollo.io/docs/developer-faqs
- type: Tutorials
  url: https://docs.apollo.io/docs/capabilities
- type: Pricing
  url: https://www.apollo.io/pricing
- type: SignUp
  url: https://www.apollo.io/sign-up
- type: Login
  url: https://app.apollo.io/
- type: TermsOfService
  url: https://www.apollo.io/terms/api
- type: PrivacyPolicy
  url: https://www.apollo.io/privacy-policy
- type: TrustCenter
  url: https://trust.apollo.io/
maintainers:
- FN: Kin Lane
  email: info@apievangelist.com
x-enrichment:
  date: '2026-08-14'
  status: enriched
  artifacts_added: 29
  pass: local-v1