SDK Directory
Node.js Sales APIs
Official Node.js packages for building sales workflows. Use these libraries to avoid writing raw HTTP boilerplate.
Filter by Category
Vapi
Developer platform for building voice AI agents.
PhantomBuster
Automate lead generation and data extraction across any web platform.
Outscraper
Extract high-quality business data from Google Maps and beyond.
JustCall
Cloud phone system for sales and support teams with deep CRM integrations.
Hunter.io
The standard for finding and verifying professional email addresses.
Clay
The universal data enrichment and outbound orchestration platform.
Argyle
The leading employment data platform for income and employment verification.
Dropcontact
AI-powered email enrichment and verification API for B2B data.
Lemlist
Sales engagement platform with advanced personalization and outreach APIs.
Mailshake
Cold email outreach platform used by 38,000+ sales professionals.
ZoomInfo
The comprehensive B2B database and sales intelligence platform.
Tomba
Email finder and verification API for programmatically finding leads.
Loops
Email platform for modern SaaS companies.
Humantic AI
Personality AI for sales to understand buyer behavior and build rapport.
BuiltWith
Technology profiling API - find what tech websites are built with.
Pipl
Identity verification and people search API for trust and safety.
FullContact
Identity resolution and data enrichment platform for customer intelligence.
Close
Sales CRM with built-in power dialer and SMS.
ContactOut
Phone numbers and emails from LinkedIn profiles.
Enrich.so
People and company data enrichment API.
PredictLeads
Company intelligence data API for funding, jobs, and tech.
Live Data
Job change data for 70M+ professionals.
Datagma
B2B data enrichment with 50+ attributes.
Freshworks CRM
AI-powered CRM for tracking sales pipelines and automating marketing.
DocuSign
Enterprise e-signature and agreement cloud API.
PandaDoc
API for document generation, e-signatures, and tracking.
Zoho CRM
Flexible CRM for growing businesses with native AI and MCP support.
Zapier
The world's largest automation ecosystem with an MCP server.
Salesforce
The world's #1 AI-powered CRM and customer success platform.
Pipedrive
The sales-first CRM for managing pipelines and closing deals.
People Data Labs
B2B data API with 3 billion person and company records.
HubSpot
All-in-one CRM platform with an extensive API ecosystem.
Crunchbase
The definitive B2B database for company and investment research.
Clearbit (Breeze)
Real-time company and person enrichment API by HubSpot.
Artillery
Modern performance testing and monitoring for APIs.
Reply.io
AI sales outreach & cold email platform with multichannel sequences.
Jason AI
AI-powered SDR by Reply.io for automating entire sales outreach process.
Emailable
Fast email verification API with 99.9% accuracy and instant results.
ZeroBounce
Email validation API with detailed deliverability scoring and abuse detection.
Neverbounce
Email verification API with AI-powered validation and real-time checking.
Support & Guidance