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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OpenWeb Ninja
Real-time public data APIs for web scraping, search, and enrichment.
Parallel
Highest accuracy web search API for AI agents.
BlitzAPI
B2B data APIs for growth and RevOps teams.
DealCloud
Deal management platform for investment firms and capital markets.
Guru
Enterprise knowledge management and internal search platform.
Argyle
The leading employment data platform for income and employment verification.
Browse AI
Extract and monitor data from any website with AI-powered web scraping.
Clearbit (Breeze)
Real-time company and person enrichment API by HubSpot.
Close
Sales CRM with built-in power dialer and SMS.
Composio
AI-native integration platform connecting LLMs with 250+ applications.
ContactOut
Phone numbers and emails from LinkedIn profiles.
Coresignal
B2B data and web scraping API for large-scale market intelligence.
Crawl4AI
Open-source LLM-friendly web crawler and scraper.
Crawlbase
Enterprise web scraping API with smart proxy rotation and JavaScript rendering.
Crunchbase
The definitive B2B database for company and investment research.
CUFinder
B2B data enrichment API with 20+ endpoints for company and person data.
Datagma
B2B data enrichment with 50+ attributes.
DocuSign
Enterprise e-signature and agreement cloud API.
Dropcontact
AI-powered email enrichment and verification API for B2B data.
Emailable
Fast email verification API with 99.9% accuracy and instant results.
Enrich.so
People and company data enrichment API.
Five9
Enterprise cloud contact center with robust APIs and SDKs.
Freshworks CRM
AI-powered CRM for tracking sales pipelines and automating marketing.
FullContact
Identity resolution and data enrichment platform for customer intelligence.
GetAccept
Digital sales room and e-signature platform with a robust API.
HubSpot
All-in-one CRM platform with an extensive API ecosystem.
Humantic AI
Personality AI for sales to understand buyer behavior and build rapport.
Hunter.io
The standard for finding and verifying professional email addresses.
Jason AI
AI-powered SDR by Reply.io for automating entire sales outreach process.
Journy.io
Customer intelligence and product-led growth (PLG) platform.
JustCall
Cloud phone system for sales and support teams with deep CRM integrations.
Lemlist
Sales engagement platform with advanced personalization and outreach APIs.
Live Data
Job change data for 70M+ professionals.
Mailshake
Cold email outreach platform used by 38,000+ sales professionals.
Mattermark
Data-driven platform for discovering and analyzing high-growth companies.
Neverbounce
Email verification API with AI-powered validation and real-time checking.
Nutshell
SMB CRM with API for sales pipeline management.
Outscraper
Extract high-quality business data from Google Maps and beyond.
PandaDoc
API for document generation, e-signatures, and tracking.
People Data Labs
B2B data API with 3 billion person and company records.
Perplexity AI
AI-powered research engine with a robust search and agent API.
Pipedrive
The sales-first CRM for managing pipelines and closing deals.
Pipl
Identity verification and people search API for trust and safety.
PredictLeads
Company intelligence data API for funding, jobs, and tech.
Proxycurl
API for scraping and enriching LinkedIn profile data.
QRev
Early-stage AI-first open-source CRM with MongoDB-based architecture.
Qwilr
Digital sales room and proposal automation platform for modern B2B sales.
Reply.io
AI sales outreach & cold email platform with multichannel sequences.
Replyify
Automated personalized cold emails and follow-ups.
RocketReach
People search API with 700M+ professional profiles and 60M+ companies.
Stripe
Financial infrastructure for the internet.
Tomba
Email finder and verification API for programmatically finding leads.
Trestle IQ
Phone verification and reverse phone lookup API for lead validation.
Vapi
Developer platform for building voice AI agents.
Voyage AI
State-of-the-art embedding and reranking models for RAG.
Zendesk Sell
Sales CRM designed to increase productivity and pipeline visibility.
ZeroBounce
Email validation API with detailed deliverability scoring and abuse detection.
Zoho CRM
Flexible CRM for growing businesses with native AI and MCP support.
ZoomInfo
The comprehensive B2B database and sales intelligence platform.
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