Best Apollo Alternatives

GTM data layer and enrichment platform with waterfall across 100+ sources.

CLI and API for waterfall GTM enrichment across 97+ providers. Built for Claude Code.

Verified B2B mobile phone numbers via API and MCP. One endpoint, real-time results.

Find and contact local business owners — owner emails and phones from Google Maps.

Real-time verified contact data from LinkedIn — emails and mobile numbers with one click.

AI-powered GTM platform for account prioritization, contact enrichment, and outbound.

B2B data enrichment and intelligence with 730M+ verified professional profiles.

Official Apollo.io MCP plugin for Claude Code — search 275M contacts, enrich leads, build lists, and manage sequences.

Config-driven outbound pipeline for Claude Code — source, enrich, score, and sequence outreach via MCP tools.

AI-native revenue platform combining CRM, outbound, and pipeline management with MCP.

Full API and MCP for autonomous AI sales agents — create agents, build audiences, launch campaigns.

GTM data quality and enrichment platform with REST API, MCP, CLI, and SDK for AI agents.

Lead enrichment and account intelligence API with hosted MCP server and 30+ tools for AI agents.

B2B enrichment API with MCP — 60M companies, 300M contacts, intent signals, and technographics.

B2B data platform with 25 MCP tools for people search, company enrichment, funding signals, and proposals.

Lead enrichment and buyer model training API with free MCP server (32 GTM intelligence tools).

Agentic People Search API with natural language queries, deep signal capture, and MCP server.

Agentic B2B intelligence factory with REST API and MCP for lead scoring, research, and outreach.

Data enrichment API for people, company, and technology data.

MoltSets contact data API combines 20+ providers to find verified emails, mobile numbers, and company data.

B2B data enrichment MCP server — 60M companies, 300M contacts, buying intent signals.

Unlimited B2B data API for AI agents — 31 endpoints, MCP, closed beta founding rates.

API-first B2B data platform — 45+ live sources, no sales calls, transparent pricing.

AI-powered B2B sales intelligence with API access on every plan.

API-first B2B contact and company enrichment with 135M+ contacts and sub-200ms responses.

B2B2C identity resolution and data enrichment platform.

Up-to-date B2B lead generation with a developer-first API.

AI Sales Copilot with native MCP support for prospect search and enrichment.

The ultimate sales intelligence and engagement platform for AI-native teams.

AI-driven sales intelligence and prospecting for SMB sales.

The universal data enrichment and outbound orchestration platform.

Real-time company and person enrichment API by HubSpot.

AI-driven sales prospecting and lead enrichment platform.

All-in-one sales intelligence with form enrichment and cleanup APIs.

Global B2B sales intelligence with premium mobile data.

Phone numbers and emails from LinkedIn profiles.

B2B data and web scraping API for large-scale market intelligence.

B2B data enrichment API with 20+ endpoints for company and person data.

B2B data enrichment with 50+ attributes.

European sales intelligence platform combining intent data with visitor tracking.

AI-powered email enrichment and verification API for B2B data.

GDPR-compliant B2B enrichment and email discovery API.

People and company data enrichment API.

AI-driven B2B prospecting and data enrichment platform.

Lead generation and outreach with built-in AI summaries and webhook support.

Success-based email finder and verification API for B2B prospecting.

Identity resolution and data enrichment platform for customer intelligence.

AI-powered lead generation and sales automation platform.

Email finder and B2B contact database API for lead generation.

AI-powered sales automation for lead generation, research, and personalized outreach.

AI-powered lead generation with intent signals and API access.

Email finder and verifier with API for bulk enrichment workflows.

LinkedIn-first B2B contact data retrieval and prospecting tool.

Sales engagement platform for multi-channel outbound and personalized outreach.

Enriched prospect databases and data-as-a-service.

Unlimited sales leads database fueled by intent data and direct dials.

Contact enrichment and sales automation.

B2B lead generation and data enrichment API with intent signals.

The smart B2B prospecting platform for capturing and enriching leads.

AI-powered data enrichment and contact validation platform.

The premier platform for B2B relationship building and prospecting.

The fastest way to find verified B2B mobile numbers and emails.

Autonomous outbound sales platform (AI SDR) for end-to-end prospecting.

AI-powered prospecting and CRM data enrichment for modern sales teams.

The first revenue orchestration platform with full MCP Server + MCP Client suite.

B2B data API with 3 billion person and company records.

AI-powered sales prospecting and lead enrichment platform.

AI sales outreach & cold email platform with multichannel sequences.

People search API with 700M+ professional profiles and 60M+ companies.

Full-stack cold outreach automation platform for sales teams.

B2B contact data and intelligence platform for revenue teams.

AI-powered revenue orchestration platform for high-performance sales teams.

AI-powered B2B prospecting and email personalization platform.

Open-source AI sales intelligence and outreach automation — the open alternative to Clay, Apollo, and Outreach.

All-in-one platform for lead generation, email verification, and outreach.

Connect your CRM to LinkedIn and enrich prospect data in one click.

B2B data platform with verified emails, mobile numbers, and intent data.

Real-time B2B contact data extraction from LinkedIn Sales Navigator.

All-in-one sales prospecting platform with massive contact database.

The all-in-one AI GTM platform with GTM.AI headless context layer for AI agents.