Value Hub
Free Sales APIs
Test and build your workflows for $0. These tools offer free tiers or free credits for AI-native operators.
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Bitscale
GTM data layer and enrichment platform with waterfall across 100+ sources.
Deepline
CLI and API for waterfall GTM enrichment across 97+ providers. Built for Claude Code.
Million Phones
Verified B2B mobile phone numbers via API and MCP. One endpoint, real-time results.
LocalPipe.io
Find and contact local business owners — owner emails and phones from Google Maps.
Neuron
Real-time verified contact data from LinkedIn — emails and mobile numbers with one click.
Anthropic Sales Plugin
Official Anthropic plugin for Claude Code — research prospects, prep calls, build battlecards, draft outreach, and analyze pipeline.
Apollo.io MCP Plugin
Official Apollo.io MCP plugin for Claude Code — search 275M contacts, enrich leads, build lists, and manage sequences.
LeadMagic GTM Skills
205 production-grade GTM agent skills for Claude Code — outbound, ABM, RevOps, PLG, and CS across 25 categories.
Amplitude Builder Skills
Official Amplitude plugin for Claude Code — product analytics, activation, retention, and GTM planning skills.
Growth Skills (Growth Engineer)
197 production-grade GTM playbooks for Claude Code — outbound, inbound, ABM, content, sequencing, and analytics.
Zapier GTM Cheat Codes
GTM agent skills by Zapier — campaign planning, CRM context, customer advocacy, content ops, and lead classification.
Frappe CRM
Frappe CRM is an open-source, self-hostable CRM with unlimited users, sales pipelines, and a REST API.
Revenue OS
Open-source AI prospecting agent — a self-hostable alternative to HubSpot Prospecting Agent, Artisan, and 11x.
agent-outbound
Config-driven outbound pipeline for Claude Code — source, enrich, score, and sequence outreach via MCP tools.
Crustdata
Real-time B2B data API for people and company enrichment with native MCP.
OXYGEN
GTM CLI for Claude Code, Codex & MCP agents — run outbound orchestration from your terminal.
Monaco
AI-native revenue platform combining CRM, outbound, and pipeline management with MCP.
Signaliz
GTM data quality and enrichment platform with REST API, MCP, CLI, and SDK for AI agents.
LeadMagic
Lead enrichment and account intelligence API with hosted MCP server and 30+ tools for AI agents.
Leadpipe
Person-level intent data API across 20,000+ B2B/B2C topics with 18 REST endpoints and ICP filtering.
StackSwap
Lead enrichment and buyer model training API with free MCP server (32 GTM intelligence tools).
Spider API
AI web crawling and scraping API with 22 MCP tools — extract live web data for sales intelligence.
BeReach
Agentic API for LinkedIn outreach with native MCP support.
Summit53
Revenue intelligence platform with 54 MCP tools for AI-assisted pipeline analysis.
Conduyt
AI-native CRM with 535 REST endpoints and 136 MCP tools for AI agents.
StudioMeyer
Headless MCP-native CRM with 34 tools for AI-driven contact management.
Cleanlist
B2B data enrichment API using waterfall technology across 10+ providers.
Sync GTM
GTM data platform with MCP server for enrichment, discovery, and buying signals.
Leadpipe
Intent data and visitor identification platform with MCP server.
NinjaPear
B2B company intelligence API for customers, competitors, and enrichment.
EnrichmentAPI
B2B data enrichment REST API for company and employee information.
Warmly
Autonomous revenue orchestration platform for identifying website intent.
DataLayer
B2B data enrichment MCP server — 60M companies, 300M contacts, buying intent signals.
AgentEnrich
Unlimited B2B data API for AI agents — 31 endpoints, MCP, closed beta founding rates.
LeadLeap
API-first B2B data platform — 45+ live sources, no sales calls, transparent pricing.
EnrichAPI
Open source lead intelligence API — company URL in, structured outreach brief out.
Seamless
AI-powered B2B sales intelligence with API access on every plan.
Jungler
Social media intelligence for GTM teams — discover, analyze, and act on LinkedIn signals.
Signalbase
Real-time intent signals API for funding, hiring, job changes, and M&A activity.
Bytemine
API-first B2B contact and company enrichment with 135M+ contacts and sub-200ms responses.
Warmer
AI-powered B2B sales enrichment that scrapes LinkedIn and generates personalized outreach messages.
YALC
CLI-first, AI-native open-source data enrichment and GTM operating system.
OpenOutreach
Self-hosted open-source LinkedIn automation with AI-powered messaging.
Fire Enrich
Open-source AI data enrichment engine — a self-hosted alternative to Clay.
NineLayer
MCP search API for AI agents — structured, source-verified data with authority-aware ranking.
BetterEnrich
Waterfall email & phone finder with 17+ data sources.
HG Insights
B2B technographics and revenue intelligence platform.
Signal Labs
Real-time competitive intelligence and battlecard platform.
Versium
B2B2C identity resolution and data enrichment platform.
SalesNexus
CRM and marketing automation with AI agent infrastructure.
TechLeads
Technographics data and lead generation for 450M+ websites.
OpenWeb Ninja
Real-time public data APIs for web scraping, search, and enrichment.
Parallel
Highest accuracy web search API for AI agents.
DiscoLike
Company search with lookalike domain and natural language matching.
Bloomberry
Real-time technographic signals for competitive intelligence.
BlitzAPI
B2B data APIs for growth and RevOps teams.
HeyReach
LinkedIn automation tool for agencies, sales teams, and GTM operators.
Enrow
Email verification and validation API for B2B lead quality.
Interseller
Email finder and verification platform for outbound sales.
Derrick
B2B data enrichment platform for sales intelligence.
Brandfetch
Company logos and brand assets API for B2B personalization.
CompanyEnrich
Company data enrichment API for B2B sales and prospecting.
Badger Maps
Mapping and routing app for outside sales teams.
6sense
The leading AI platform for account-based sales and marketing intelligence.
A-Leads
Up-to-date B2B lead generation with a developer-first API.
Aloware
Modern contact center and sales dialer platform for high-performance teams.
Apify
Web scraping and automation platform.
Apollo.io
The ultimate sales intelligence and engagement platform for AI-native teams.
Artillery
Modern performance testing and monitoring for APIs.
Attio
The data-driven CRM for modern teams.
Autobound
AI writing assistant for personalized sales outreach and follow-ups.
Avoma
AI meeting assistant and conversation intelligence platform.
Bardeen
AI-powered workflow automation for repetitive tasks and sales workflows.
Bitrix24
All-in-one business management platform with CRM.
Bland AI
Hyper-realistic AI phone agents for automated calling.
Breadcrumbs
Lead scoring and revenue acceleration platform powered by AI.
Breakcold
Social selling CRM to build relationships via LinkedIn and Twitter.
Browse AI
Extract and monitor data from any website with AI-powered web scraping.
BuiltWith
Technology profiling API - find what tech websites are built with.
Cal.com
Enterprise-grade scheduling infrastructure with a full API.
Calendly
Scheduling automation platform with a robust API.
Cliengo
AI chatbot for automated lead capture and customer conversion.
Clodura
AI-driven sales prospecting and lead enrichment platform.
Clodura.AI
All-in-one sales intelligence with form enrichment and cleanup APIs.
Close
Sales CRM with built-in power dialer and SMS.
CloudTalk
Cloud-based phone system for sales and support teams with AI features.
coldr
Run, preview, and ship cold email campaigns straight from your terminal.
Common Room
The intelligent customer platform for modern GTM teams.
Composio
AI-native integration platform connecting LLMs with 250+ applications.
ContactOut
Phone numbers and emails from LinkedIn profiles.
CopyFactory
AI writing assistant for scaling personalized sales copy.
Crawl4AI
Open-source LLM-friendly web crawler and scraper.
Crawlbase
Enterprise web scraping API with smart proxy rotation and JavaScript rendering.
Crono
AI-powered sales engagement and workflow automation for revenue teams.
CUFinder
B2B data enrichment API with 20+ endpoints for company and person data.
Datagma
B2B data enrichment with 50+ attributes.
Day AI
AI-native CRM that captures conversations and updates itself automatically.
Dealfront
European sales intelligence platform combining intent data with visitor tracking.
Debounce
Email verification API with disposable detection and data enrichment features.
DocSales
Electronic signature and document automation API.
Dropcontact
AI-powered email enrichment and verification API for B2B data.
Emailable
Fast email verification API with 99.9% accuracy and instant results.
EmailListVerify
Bulk email verification service for clean lists.
EngageBay
All-in-one marketing, sales, and support CRM.
Enrich.so
People and company data enrichment API.
EspoCRM
Open source CRM with a modern, user-friendly interface and powerful API.
ExactBuyer
AI-driven B2B prospecting and data enrichment platform.
Factors.ai
B2B marketing analytics and account intelligence platform.
Fathom
AI meeting assistant that records, transcribes, and summarizes your calls.
FinalScout
Extract professional email addresses from LinkedIn using AI.
Find Me Sales
Lead generation and outreach with built-in AI summaries and webhook support.
Firecrawl
Turn any website into LLM-ready Markdown or structured JSON.
Fireflies.ai
AI meeting assistant with transcription and analytics APIs.
Firehose
Real-time web monitoring and data streaming for AI-native workflows.
Fresh Proposals
Automated proposal generation and e-signature platform.
Freshworks CRM
AI-powered CRM for tracking sales pipelines and automating marketing.
Genesy
AI-powered lead generation and sales automation platform.
GetProspect
Email finder and B2B contact database API for lead generation.
GMass
Powerful mail merge and cold email system for Gmail.
GodmodeHQ
AI-powered sales automation for lead generation, research, and personalized outreach.
GPTBots.ai
Enterprise no-code AI agent development platform for business automation.
HeyNomi
AI sales assistant for real-time call guidance and meeting automation.
HubSpot
All-in-one CRM platform with an extensive API ecosystem.
Humantic AI
Personality AI for sales to understand buyer behavior and build rapport.
Icypeas
Email finder and verifier with API for bulk enrichment workflows.
Insight7
AI-powered customer insights platform for sales and product teams.
InSitu Sales
Mobile CRM and field sales tracking platform for mobile teams.
Jason AI
AI-powered SDR by Reply.io for automating entire sales outreach process.
Jebbit
Interactive quiz platform for capturing zero-party consumer data.
Jina Reader
Convert any URL to LLM-friendly Markdown for AI processing.
Journey.io
Interactive sales rooms and buyer engagement platform.
Journy.io
Customer intelligence and product-led growth (PLG) platform.
Kaspr
LinkedIn-first B2B contact data retrieval and prospecting tool.
Klenty
Sales engagement platform for multi-channel outbound and personalized outreach.
Koala
Agentic AI platform for sales signal prioritization and qualification.
Lead Distro AI
AI-native lead distribution platform with official MCP server for campaign management.
Leadfeeder
Identify companies visiting your website and track their behavior.
LeadFuze
B2B lead generation and data enrichment API with intent signals.
LeadMagic
AI-powered data enrichment and contact validation platform.
LeadMine
Simple B2B lead generation and email finder tool.
Lindy
AI platform for automating business processes with custom AI agents.
Linkup
Web search API for AI apps with real-time grounding and source citations.
Live Data
Job change data for 70M+ professionals.
Loom
Video messaging for async communication.
Loops
Email platform for modern SaaS companies.
Lusha
The fastest way to find verified B2B mobile numbers and emails.
Mailcheck
Email verification using social network data.
Manyreach
Cold email outreach platform with unlimited email accounts.
Mixmax
Sales engagement platform for Gmail and Outlook to drive outbound productivity.
Mutiny
AI agent for creating anything customer-facing — landing pages, proposals, case studies, and more.
n8n
Open-source workflow automation with a powerful API.
NetHunt CRM
Gmail-integrated CRM for seamless sales workflows.
Neverbounce
Email verification API with AI-powered validation and real-time checking.
Nimble
Social CRM for relationship management and sales automation.
noCRM.io
Lead management software focused on closing deals without the CRM friction.
Nuph.ai
AI-powered LinkedIn outreach platform with native MCP server (47 tools).
Nutshell
SMB CRM with API for sales pipeline management.
Octolane
AI-powered prospecting and CRM data enrichment for modern sales teams.
OnePageCRM
Action-focused sales CRM based on GTD principles.
OpenFunnel
AI-powered prospecting and intent signal identification platform.
Outplay
Multi-channel sales engagement platform for high-performance outreach.
Outscraper
Extract high-quality business data from Google Maps and beyond.
People Data Labs
B2B data API with 3 billion person and company records.
Persana
AI-powered sales prospecting and lead enrichment platform.
PersistIQ
Outbound sales automation platform for small teams.
Playbook
AI-powered creative asset management for teams.
PredictLeads
Company intelligence data API for funding, jobs, and tech.
Prospeo
High-accuracy email finder and verification API for outreach.
Proxycurl
API for scraping and enriching LinkedIn profile data.
QRev
Early-stage AI-first open-source CRM with MongoDB-based architecture.
QuotaPath
Sales commission tracking and automation for revenue teams.
Qwilr
Digital sales room and proposal automation platform for modern B2B sales.
Radiant AI CRM
Open-source AI-powered CRM built for modern sales teams.
RB2B
Identify anonymous website visitors and convert them into LinkedIn leads.
ReachInbox
AI-powered cold email platform with warmup and automation.
Relay
No-code automation platform with AI-powered workflows across 100+ apps.
Relevance AI
Platform for building AI workforce to automate business processes.
Reply.io
AI sales outreach & cold email platform with multichannel sequences.
RevReply
AI-powered email outreach with calendar booking.
Saber
AI-powered signal intelligence API for GTM teams.
SalesBlink
Full-stack cold outreach automation platform for sales teams.
Salesflow
Social and email outreach automation for lead generation.
Saleshandy
Cold email outreach platform with automated follow-ups and high deliverability.
Salesmate
AI-powered CRM and revenue operating system for high-growth teams.
Scout
AI-powered B2B prospecting and email personalization platform.
Signal
Open-source AI sales intelligence and outreach automation — the open alternative to Clay, Apollo, and Outreach.
Snov.io
All-in-one platform for lead generation, email verification, and outreach.
Success.ai
Cold email outreach and lead enrichment platform for sales teams.
SuiteCRM
The world's most popular open-source CRM with full-featured sales automation.
Super Send
Multi-channel cold outreach automation for LinkedIn, X, and Email.
Surfe
Connect your CRM to LinkedIn and enrich prospect data in one click.
Tavily AI
Search engine optimized for AI agents and RAG applications.
Teamgate
User-friendly sales CRM for smart pipeline management.
tl;dv
AI meeting notetaker that turns calls into actionable insights.
Tomba
Email finder and verification API for programmatically finding leads.
Trestle IQ
Trestle IQ reverse phone lookup API verifies phone owners, line type, activity, and lead quality.
Twenty
Modern open-source CRM built for the community.
UpLead
B2B data platform with verified emails, mobile numbers, and intent data.
Vapi
Developer platform for building voice AI agents.
Vidyard
Video platform for business to increase lead engagement and conversions.
Voyage AI
State-of-the-art embedding and reranking models for RAG.
WarmupInbox
Email warmup and deliverability API for cold email infrastructure.
Wiza
Real-time B2B contact data extraction from LinkedIn Sales Navigator.
Woodpecker
Cold email outreach and follow-up automation for sales and agencies.
Zapier
The world's largest automation ecosystem with an MCP server.
Zeliq
All-in-one sales prospecting platform with massive contact database.
Zendesk Sell
Sales CRM designed to increase productivity and pipeline visibility.
ZeroBounce
Email validation API with detailed deliverability scoring and abuse detection.
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