// scorecard · 65/100
verified 1mo agoAgent-readiness23/35
Agent registration (api_key)6/9
Public API5/5
OpenAPI spec0/9
MCP server9/9
llms.txt3/3
Reliability & performance12/15
Actively maintained8/8
Production-ready4/4
Updated recently—
Pricing6/13
Itemized public pricing0/6
Free tier / trial4/4
Free-tier generosity2/3
Docs & DX8/12
Docs quality6/8
Public API2/2
Quickstart / examples—
Security & compliance12/12
SOC 26/6
ISO 270012/2
GDPR2/2
Security / trust page2/2
Openness4/10
Open source0/6
Open / un-gated API4/4
Company maturity0/3
Company size—
Years operating—
// rankings · cost per standard workload
#1 in Enrichment$59/ 10k emails
Basic $59/user/mo — unlimited email credits w/ verify (fair-use ~250/day). medium
#10 in Cold Emailnot comparable
No prices or credit costs in text
// overview
Apollo.io is an all-in-one AI-powered GTM platform for B2B prospecting, enrichment, outreach, and sales engagement.
Best for: B2B SDR, AE, founder-led sales, demand gen, and RevOps teams that want one lower-cost tool for prospecting, enrichment, sequencing, dialing, and CRM data workflows.
// pricing
Free tier · generosity 3/5
Includes: Free-forever plan · ~100 email credits/mo (up to 10k with verified corporate domain) · 5 mobile + 10 export credits/mo
Limits: credits cut in late-2025 restructure · Gmail-only mailbox · ~250 sends/day
Free$0/mo
Basic$49/user/mo billed annually
Professional$79/user/mo billed annually
Organization$119/user/mo billed annually
// security & compliance
✓ SOC 2✓ ISO 27001✓ GDPR✗ HIPAA
// features
- B2B contact and company search
- Verified email and phone-number discovery
- 65+ prospecting filters including intent, technographics, funding, hiring and seniority signals
- CRM enrichment and waterfall enrichment
- Multi-channel sequences across email, phone and social tasks
- AI Assistant for research, list building, personalization and workflows
- Built-in dialer, call recording and conversation intelligence on higher tiers
- Chrome extension for prospecting on the web and LinkedIn
- Lead scoring, routing, workflow automation and analytics
- REST API for enrichment, people search, contacts, accounts and integrations
pros
- Strong all-in-one value versus buying separate data, enrichment, sequencing and dialer tools
- Transparent self-serve pricing and free plan make evaluation easy
- Large database and many filters for ICP list building
- Good fit for teams that want CRM enrichment plus outbound execution in one workflow
cons
- Credit system and phone/mobile reveals can become limiting or expensive for call-heavy teams
- Data accuracy can vary by market, persona and geography, so validation is still needed
- Advanced governance/security and some dialer capabilities require higher tiers
- May be less specialized than enterprise sales engagement or data vendors for very complex workflows