Apollo.io website screenshot

Apollo.io

Apollo.io is a sales intelligence and engagement platform combining a 270M+ contact database with email and call sequencing. The Apollo REST API exposes people search & enrichment, organization search & enrichment, contacts, accounts, deals, sequences, email accounts, calls, tasks, meetings, lists, and webhooks.

Apollo.io publishes 14 APIs on the APIs.io network, including Accounts API, Contacts API, Email Accounts API, and 11 more. Tagged areas include Sales Intelligence, Prospecting, Engagement, B2B Data, and Enrichment.

Apollo.io’s developer surface includes documentation, API reference, pricing, engineering blog, support, authentication, and 17 more developer resources.

🌐 Visit website 📡 Source on GitHub
52.3/100 developing ▬ flat Agent 47/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
35 APIs 1 MCP Servers 10 Features
Sales IntelligenceProspectingEngagementB2B DataEnrichmentSaaS

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 52.3/100 · developing
Contract Quality 12.2 / 25
Developer Ergonomics 8.3 / 20
Commercial Clarity 18.4 / 20
Operational Transparency 7.9 / 13
Governance 0.0 / 12
Discoverability 5.6 / 10
Agent readiness — 47/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 6 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/apollo-io: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 35

Individual APIs this provider publishes, each with its own machine-readable definition.

Apollo Organization Search API

Search Apollo's organization database by industry, headcount, revenue, technology stack, location, and funding stage.

Apollo People Enrichment API

Enrich a known person record by email, LinkedIn URL, name + company, or other identifiers; returns work email, mobile, title, social profiles, and tenure.

Apollo Organization Enrichment API

Enrich a known organization by domain or LinkedIn URL; returns headcount, industry, revenue, funding, technologies, and location.

Apollo Bulk People Enrichment API

Enrich up to 10 person records in a single API call to reduce round-trip and credit cost.

Apollo Bulk Organization Enrichment API

Enrich multiple organizations in a single API call.

Apollo Contacts API

Manage contacts in your Apollo CRM workspace — create, update, delete, and bulk-import contacts with custom fields and tags.

Apollo Accounts API

Manage accounts (companies) in your Apollo CRM with stage, ownership, and custom fields.

Apollo Deals API

Manage deals (opportunities) attached to accounts and contacts, including stage, value, probability, and custom fields.

Apollo Sequences API

Manage outreach sequences (cadences) and add or remove contacts as sequence subscribers; trigger sends and pause/resume schedules.

Apollo Email Accounts API

Manage connected email accounts (Gmail / Outlook / SMTP) used for outbound sequence sends and inbox sync.

Apollo Emails API

Read sent / received email metadata and tracking events (open, click, reply, bounce) for sequence emails.

Apollo Calls API

Log inbound and outbound calls with duration, recording URLs, transcripts, and disposition outcomes.

Apollo Tasks API

Manage user tasks tied to contacts and accounts.

Apollo Meetings API

Manage meetings booked via Apollo's Meetings (scheduling) feature and synced from connected calendar accounts.

Apollo Custom Fields API

Define and read custom field schemas across people, organizations, contacts, accounts, and deals.

Apollo Lists API

Manage saved lists (static and dynamic) for segmenting people and accounts and feeding them into sequences and dialer queues.

Apollo Tags API

Read, create, and apply tags to contacts and accounts for categorization and filtering.

Apollo Users API

Manage users (sales reps, managers) and their roles within the Apollo workspace.

Apollo Analytics API

Pull aggregated activity, sequence performance, dialer, and pipeline analytics for reporting use cases.

Apollo API Usage API

Read your workspace's API usage and remaining credit balance across hourly, daily, and monthly windows.

Apollo Webhooks API

Subscribe to Apollo events (contact.created, sequence.added, email.opened, call.completed) for downstream automation.

Apollo.io Accounts API

The Accounts API from Apollo.io — 3 operation(s) for accounts.

Apollo.io Contacts API

The Contacts API from Apollo.io — 3 operation(s) for contacts.

Apollo.io Email Accounts API

The Email Accounts API from Apollo.io — 1 operation(s) for email accounts.

Apollo.io Emailer Campaigns API

The Emailer Campaigns API from Apollo.io — 3 operation(s) for emailer campaigns.

Apollo.io Mixed Companies API

The Mixed Companies API from Apollo.io — 1 operation(s) for mixed companies.

Apollo.io Mixed People API

The Mixed People API from Apollo.io — 1 operation(s) for mixed people.

Apollo.io Opportunities API

The Opportunities API from Apollo.io — 3 operation(s) for opportunities.

Apollo.io Organizations API

The Organizations API from Apollo.io — 2 operation(s) for organizations.

Apollo.io People API

The People API from Apollo.io — 2 operation(s) for people.

Apollo.io Phone Calls API

The Phone Calls API from Apollo.io — 3 operation(s) for phone calls.

Apollo.io Sync Report API

The Sync Report API from Apollo.io — 1 operation(s) for sync report.

Apollo.io Tasks API

The Tasks API from Apollo.io — 3 operation(s) for tasks.

Apollo.io Usage Stats API

The Usage Stats API from Apollo.io — 1 operation(s) for usage stats.

Apollo.io Users API

The Users API from Apollo.io — 1 operation(s) for users.

Scroll for all 35

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Apollo.io API

OPEN COLLECTION

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

MCP Server

MCP SERVER

GraphQL 1

GraphQL schemas published by this provider.

Apollo.io GraphQL Schema

This is a conceptual GraphQL schema for the Apollo.io B2B sales intelligence and engagement platform. Apollo.io does not natively expose a GraphQL endpoint; this schema is deriv...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Apollo Io Plans Pricing

7 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Apollo Io Rate Limits

7 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Apollo Io Finops

FINOPS

Features 10

Notable capabilities this provider offers.

REST API at https://api.apollo.io/api/v1/
API key authentication via X-Api-Key header
270M+ person database, 60M+ companies
Free, Basic, Professional, Organization plans
Per-user-per-month seat pricing plus monthly credit allocations
Search, Enrichment, and Mobile credits each tracked separately
Bulk endpoints for batched enrichment to save credits
Per-minute and per-hour API rate limits scaled by plan tier
Webhooks for sequence and engagement events
REST API access requires Basic or higher

Scroll for all 10

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Apollo Io Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Apollo Io Trust Center

SOC 2, ISO 27001, GDPR

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Apollo Io Agentic Access

28 operations · 21 acting

28 operations · 21 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Login
Login

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 MCPServer
MCPServer
 LlmsText
LlmsText

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Webhooks
Webhooks

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 4

Status, limits, changes, and where to get help

StatusPage
StatusPage
 Support
Support
 RateLimits
RateLimits
 RateLimits
RateLimits

Commercial 5

Pricing, plans, and the legal terms of use

Pricing
Pricing
 PrivacyPolicy
PrivacyPolicy
 TermsOfService
TermsOfService
 Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: apollo-io
url: https://raw.githubusercontent.com/api-evangelist/apollo-io/refs/heads/main/apis.yml
name: Apollo.io
kind: company
description: Apollo.io is a sales intelligence and engagement platform combining a 270M+ contact database with email and call
  sequencing. The Apollo REST API exposes people search & enrichment, organization search & enrichment, contacts, accounts,
  deals, sequences, email accounts, calls, tasks, meetings, lists, and webhooks.
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/apollo-io.png
tags:
- Sales Intelligence
- Prospecting
- Engagement
- B2B Data
- Enrichment
- SaaS
created: '2026-05-08'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: apollo-io:apollo-organization-search-api
  name: Apollo Organization Search API
  tags:
  - Organizations
  - Companies
  - Search
  properties:
  - url: https://docs.apollo.io/reference/organization-search
    type: APIReference
  description: Search Apollo's organization database by industry, headcount, revenue, technology stack, location, and funding
    stage.
- aid: apollo-io:apollo-people-enrichment-api
  name: Apollo People Enrichment API
  tags:
  - People
  - Enrichment
  properties:
  - url: https://docs.apollo.io/reference/people-enrichment
    type: APIReference
  description: Enrich a known person record by email, LinkedIn URL, name + company, or other identifiers; returns work email,
    mobile, title, social profiles, and tenure.
- aid: apollo-io:apollo-organization-enrichment-api
  name: Apollo Organization Enrichment API
  tags:
  - Organizations
  - Enrichment
  properties:
  - url: https://docs.apollo.io/reference/organization-enrichment
    type: APIReference
  description: Enrich a known organization by domain or LinkedIn URL; returns headcount, industry, revenue, funding, technologies,
    and location.
- aid: apollo-io:apollo-bulk-people-enrichment-api
  name: Apollo Bulk People Enrichment API
  tags:
  - Bulk Enrichment
  - People
  properties:
  - url: https://docs.apollo.io/reference/bulk-people-enrichment
    type: APIReference
  description: Enrich up to 10 person records in a single API call to reduce round-trip and credit cost.
- aid: apollo-io:apollo-bulk-organization-enrichment-api
  name: Apollo Bulk Organization Enrichment API
  tags:
  - Bulk Enrichment
  - Organizations
  properties:
  - url: https://docs.apollo.io/reference/bulk-organization-enrichment
    type: APIReference
  description: Enrich multiple organizations in a single API call.
- aid: apollo-io:apollo-contacts-api
  name: Apollo Contacts API
  tags:
  - Contacts
  - CRM
  properties:
  - url: https://docs.apollo.io/reference/contacts
    type: APIReference
  description: Manage contacts in your Apollo CRM workspace — create, update, delete, and bulk-import contacts with custom
    fields and tags.
- aid: apollo-io:apollo-accounts-api
  name: Apollo Accounts API
  tags:
  - Accounts
  - CRM
  properties:
  - url: https://docs.apollo.io/reference/accounts
    type: APIReference
  description: Manage accounts (companies) in your Apollo CRM with stage, ownership, and custom fields.
- aid: apollo-io:apollo-deals-api
  name: Apollo Deals API
  tags:
  - Deals
  - Opportunities
  - Pipeline
  properties:
  - url: https://docs.apollo.io/reference/deals
    type: APIReference
  description: Manage deals (opportunities) attached to accounts and contacts, including stage, value, probability, and custom
    fields.
- aid: apollo-io:apollo-sequences-api
  name: Apollo Sequences API
  tags:
  - Sequences
  - Cadences
  - Outreach
  properties:
  - url: https://docs.apollo.io/reference/sequences
    type: APIReference
  description: Manage outreach sequences (cadences) and add or remove contacts as sequence subscribers; trigger sends and
    pause/resume schedules.
- aid: apollo-io:apollo-email-accounts-api
  name: Apollo Email Accounts API
  tags:
  - Email Accounts
  - SMTP
  properties:
  - url: https://docs.apollo.io/reference/email-accounts
    type: APIReference
  description: Manage connected email accounts (Gmail / Outlook / SMTP) used for outbound sequence sends and inbox sync.
- aid: apollo-io:apollo-emails-api
  name: Apollo Emails API
  tags:
  - Emails
  - Tracking
  properties:
  - url: https://docs.apollo.io/reference/emails
    type: APIReference
  description: Read sent / received email metadata and tracking events (open, click, reply, bounce) for sequence emails.
- aid: apollo-io:apollo-calls-api
  name: Apollo Calls API
  tags:
  - Calls
  - Telephony
  properties:
  - url: https://docs.apollo.io/reference/calls
    type: APIReference
  description: Log inbound and outbound calls with duration, recording URLs, transcripts, and disposition outcomes.
- aid: apollo-io:apollo-tasks-api
  name: Apollo Tasks API
  tags:
  - Tasks
  properties:
  - url: https://docs.apollo.io/reference/tasks
    type: APIReference
  description: Manage user tasks tied to contacts and accounts.
- aid: apollo-io:apollo-meetings-api
  name: Apollo Meetings API
  tags:
  - Meetings
  - Scheduling
  properties:
  - url: https://docs.apollo.io/reference/meetings
    type: APIReference
  description: Manage meetings booked via Apollo's Meetings (scheduling) feature and synced from connected calendar accounts.
- aid: apollo-io:apollo-custom-fields-api
  name: Apollo Custom Fields API
  tags:
  - Custom Fields
  - Metadata
  properties:
  - url: https://docs.apollo.io/reference/custom-fields
    type: APIReference
  description: Define and read custom field schemas across people, organizations, contacts, accounts, and deals.
- aid: apollo-io:apollo-lists-api
  name: Apollo Lists API
  tags:
  - Lists
  - Segments
  properties:
  - url: https://docs.apollo.io/reference/lists
    type: APIReference
  description: Manage saved lists (static and dynamic) for segmenting people and accounts and feeding them into sequences
    and dialer queues.
- aid: apollo-io:apollo-tags-api
  name: Apollo Tags API
  tags:
  - Tags
  properties:
  - url: https://docs.apollo.io/reference/tags
    type: APIReference
  description: Read, create, and apply tags to contacts and accounts for categorization and filtering.
- aid: apollo-io:apollo-users-api
  name: Apollo Users API
  tags:
  - Users
  properties:
  - url: https://docs.apollo.io/reference/users
    type: APIReference
  description: Manage users (sales reps, managers) and their roles within the Apollo workspace.
- aid: apollo-io:apollo-analytics-api
  name: Apollo Analytics API
  tags:
  - Analytics
  - Reporting
  properties:
  - url: https://docs.apollo.io/reference/analytics
    type: APIReference
  description: Pull aggregated activity, sequence performance, dialer, and pipeline analytics for reporting use cases.
- aid: apollo-io:apollo-api-usage-api
  name: Apollo API Usage API
  tags:
  - Usage
  - Credits
  properties:
  - url: https://docs.apollo.io/reference/api-usage
    type: APIReference
  description: Read your workspace's API usage and remaining credit balance across hourly, daily, and monthly windows.
- aid: apollo-io:apollo-webhooks-api
  name: Apollo Webhooks API
  tags:
  - Webhooks
  - Events
  properties:
  - url: https://docs.apollo.io/reference/webhooks
    type: APIReference
  description: Subscribe to Apollo events (contact.created, sequence.added, email.opened, call.completed) for downstream automation.
- aid: apollo-io:apollo-io-accounts-api
  name: Apollo.io Accounts API
  description: The Accounts API from Apollo.io — 3 operation(s) for accounts.
  tags:
  - Accounts
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-accounts-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-contacts-api
  name: Apollo.io Contacts API
  description: The Contacts API from Apollo.io — 3 operation(s) for contacts.
  tags:
  - Contacts
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-contacts-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-email-accounts-api
  name: Apollo.io Email Accounts API
  description: The Email Accounts API from Apollo.io — 1 operation(s) for email accounts.
  tags:
  - Email Accounts
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-email-accounts-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-emailer-campaigns-api
  name: Apollo.io Emailer Campaigns API
  description: The Emailer Campaigns API from Apollo.io — 3 operation(s) for emailer campaigns.
  tags:
  - Emailer Campaigns
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-emailer-campaigns-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-mixed-companies-api
  name: Apollo.io Mixed Companies API
  description: The Mixed Companies API from Apollo.io — 1 operation(s) for mixed companies.
  tags:
  - Mixed Companies
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-mixed-companies-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-mixed-people-api
  name: Apollo.io Mixed People API
  description: The Mixed People API from Apollo.io — 1 operation(s) for mixed people.
  tags:
  - Mixed People
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-mixed-people-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-opportunities-api
  name: Apollo.io Opportunities API
  description: The Opportunities API from Apollo.io — 3 operation(s) for opportunities.
  tags:
  - Opportunities
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-opportunities-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-organizations-api
  name: Apollo.io Organizations API
  description: The Organizations API from Apollo.io — 2 operation(s) for organizations.
  tags:
  - Organizations
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-organizations-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-people-api
  name: Apollo.io People API
  description: The People API from Apollo.io — 2 operation(s) for people.
  tags:
  - People
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-people-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-phone-calls-api
  name: Apollo.io Phone Calls API
  description: The Phone Calls API from Apollo.io — 3 operation(s) for phone calls.
  tags:
  - Phone Calls
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-phone-calls-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-sync-report-api
  name: Apollo.io Sync Report API
  description: The Sync Report API from Apollo.io — 1 operation(s) for sync report.
  tags:
  - Sync Report
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-sync-report-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-tasks-api
  name: Apollo.io Tasks API
  description: The Tasks API from Apollo.io — 3 operation(s) for tasks.
  tags:
  - Tasks
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-tasks-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-usage-stats-api
  name: Apollo.io Usage Stats API
  description: The Usage Stats API from Apollo.io — 1 operation(s) for usage stats.
  tags:
  - Usage Stats
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-usage-stats-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
- aid: apollo-io:apollo-io-users-api
  name: Apollo.io Users API
  description: The Users API from Apollo.io — 1 operation(s) for users.
  tags:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/apollo-io-users-api-openapi.yml
  - type: Documentation
    url: https://docs.apollo.io/
  - type: APIReference
    url: https://docs.apollo.io/reference/people-search
  - type: GraphQL
    url: graphql/apollo-io-graphql.md
common:
- type: AgenticAccess
  url: agentic-access/apollo-io-agentic-access.yml
- type: TrustCenter
  url: security/apollo-io-trust-center.yml
- type: DomainSecurity
  url: security/apollo-io-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/apolloio
- type: Website
  url: https://www.apollo.io/
- type: Documentation
  url: https://docs.apollo.io/
- type: APIReference
  url: https://docs.apollo.io/reference
- type: Pricing
  url: https://www.apollo.io/pricing
- type: Login
  url: https://app.apollo.io/
- type: StatusPage
  url: https://status.apollo.io/
- type: Blog
  url: https://www.apollo.io/blog
- type: Support
  url: https://knowledge.apollo.io/
- type: GitHubOrganization
  url: https://github.com/apolloio
- type: PrivacyPolicy
  url: https://www.apollo.io/privacy-policy
- type: TermsOfService
  url: https://www.apollo.io/terms
- type: Authentication
  url: https://docs.apollo.io/reference/authentication
- type: RateLimits
  url: https://docs.apollo.io/reference/rate-limits
- type: Webhooks
  url: https://docs.apollo.io/reference/webhooks
- type: Plans
  url: plans/apollo-io-plans-pricing.yml
- type: RateLimits
  url: rate-limits/apollo-io-rate-limits.yml
- type: FinOps
  url: finops/apollo-io-finops.yml
- type: Features
  data:
  - REST API at https://api.apollo.io/api/v1/
  - API key authentication via X-Api-Key header
  - 270M+ person database, 60M+ companies
  - Free, Basic, Professional, Organization plans
  - Per-user-per-month seat pricing plus monthly credit allocations
  - Search, Enrichment, and Mobile credits each tracked separately
  - Bulk endpoints for batched enrichment to save credits
  - Per-minute and per-hour API rate limits scaled by plan tier
  - Webhooks for sequence and engagement events
  - REST API access requires Basic or higher
  sources:
  - https://www.apollo.io/pricing
  - https://docs.apollo.io/
  updated: '2026-05-08'
- type: Integrations
  url: https://www.apollo.io/partners
- name: MCP Server
  url: https://github.com/apolloio/apollo-mcp-plugin
  type: MCPServer
- type: LlmsText
  url: https://docs.apollo.io/llms.txt
integrations:
- name: Affiliate Partners Affiliate Partners
- name: Solutions Partners Solutions Partners
- name: Technology Partners Technology Partners
- name: Data Reseller Partners Data Reseller Partners
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com