SDK Directory
Python Sales APIs
Official Python packages for building sales workflows. Use these libraries to avoid writing raw HTTP boilerplate.
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Replyify
Automated personalized cold emails and follow-ups.
Crawlbase
Enterprise web scraping API with smart proxy rotation and JavaScript rendering.
Browse AI
Extract and monitor data from any website with AI-powered web scraping.
Vapi
Developer platform for building voice AI agents.
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.
Crawl4AI
Open-source LLM-friendly web crawler and scraper.
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.
Humantic AI
Personality AI for sales to understand buyer behavior and build rapport.
Zendesk Sell
Sales CRM designed to increase productivity and pipeline visibility.
Qwilr
Digital sales room and proposal automation platform for modern B2B sales.
Trestle IQ
Phone verification and reverse phone lookup API for lead validation.
Pipl
Identity verification and people search API for trust and safety.
FullContact
Identity resolution and data enrichment platform for customer intelligence.
Nutshell
SMB CRM with API for sales pipeline management.
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.
Proxycurl
API for scraping and enriching LinkedIn profile data.
Pipedrive
The sales-first CRM for managing pipelines and closing deals.
People Data Labs
B2B data API with 3 billion person and company records.
Mattermark
Data-driven platform for discovering and analyzing high-growth companies.
HubSpot
All-in-one CRM platform with an extensive API ecosystem.
GetAccept
Digital sales room and e-signature platform with a robust API.
Five9
Enterprise cloud contact center with robust APIs and SDKs.
Crunchbase
The definitive B2B database for company and investment research.
Clearbit (Breeze)
Real-time company and person enrichment API by HubSpot.
QRev
Early-stage AI-first open-source CRM with MongoDB-based architecture.
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.
Composio
AI-native integration platform connecting LLMs with 250+ applications.
CUFinder
B2B data enrichment API with 20+ endpoints for company and person data.
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.
RocketReach
People search API with 700M+ professional profiles and 60M+ companies.
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