LeadIQ B2B Sales Prospecting API
LeadIQ B2B sales prospecting REST API for sales development teams, SDRs, and revenue operations to capture, enrich, and sequence prospect contact data for outbound sales automation. Enables AI agents to manage prospect contact data capture from LinkedIn for SDR workflow automation, handle email and phone number lookup for contact enrichment automation, access CRM integration (Salesforce, HubSpot, Outreach, Salesloft) for automated lead data synchronization, retrieve company and contact firmographic enrichment for ICP qualification automation, manage prospect list building and segmentation for account-based selling automation, handle email verification for deliverability improvement automation, access buying signal and intent data integration for sales trigger automation, retrieve contact deduplication against CRM records for data hygiene automation, manage team prospecting activity tracking for SDR performance automation, and integrate LeadIQ with sales engagement platforms and CRM for end-to-end outbound sales prospecting automation.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
B2B prospecting. GDPR, SOC2, CCPA. API key. US/EU. B2B contact and firmographic data.
⚡ Reliability
Best When
A sales development team or revenue operations function wanting AI agents to automate prospect contact capture from LinkedIn, contact enrichment, CRM synchronization, and outbound prospecting workflow within LeadIQ's B2B prospecting platform.
Avoid When
GDPR LEGITIMATE INTEREST FOR B2B CONTACT DATA: LeadIQ B2B contact data for EU prospects relies on legitimate interest legal basis under GDPR; automated outreach to EU business contacts must have documented legitimate interest assessment; automated email campaigns to EU prospects without legitimate interest documentation or consent creates GDPR violation exposure. LINKEDIN TERMS OF SERVICE FOR DATA EXTRACTION: LeadIQ's LinkedIn integration operates within LinkedIn's permitted data access; automated mass scraping beyond LeadIQ's browser extension or permitted API integration violates LinkedIn ToS; automated programmatic LinkedIn data collection using LeadIQ outside intended use creates LinkedIn account ban risk. EMAIL DELIVERABILITY DOMAIN REPUTATION: Automated high-volume outreach using enriched LeadIQ contacts without email warm-up and domain reputation management creates spam filtering and domain blacklisting; automated SDR email sequences must implement volume ramp-up and engagement monitoring to protect sending domain reputation.
Use Cases
- • Capturing LinkedIn contacts from SDR prospecting automation agents
- • Enriching leads from contact data quality agents
- • Syncing to CRM from revenue operations automation agents
- • Qualifying prospects from ICP scoring automation agents
Not For
- • Consumer marketing to individuals (B2B business contact data only)
- • Healthcare professional outreach with HIPAA requirements (use Doximity)
- • Large-scale automated data harvesting beyond platform terms of service
Interface
Authentication
LeadIQ uses API key authentication. REST API with JSON. San Francisco, California HQ. Founded 2015 by Mei Siauw and Milenko Beslic. Backed by Frictionless Ventures, Eight Roads Ventures ($30M+ raised). Products: Prospecting (Chrome extension + API), Track (buying signals), Scribe (AI personalization), CRM sync. Integrations: Salesforce, HubSpot, Outreach, Salesloft, SalesLoft. 10,000+ customers. GDPR compliant. SOC2. Competes with ZoomInfo, Apollo.io, Lusha, and Cognism for B2B contact data and sales prospecting.
Pricing
San Francisco CA. Eight Roads backed. Free 20 emails/mo. Per-user subscription. Credit-based contact lookup.
Agent Metadata
Known Gotchas
- ⚠ CREDIT CONSUMPTION FOR EACH CONTACT LOOKUP: LeadIQ charges credits per contact data lookup (email verification, phone number, LinkedIn data); automated bulk prospecting workflows consume credits rapidly; implement credit monitoring with automated throttling when approaching credit limit to avoid service interruption
- ⚠ EMAIL VERIFICATION ACCURACY DECAY: Verified emails have accuracy decay over time as people change jobs or email addresses; automated prospect lists enriched more than 3-6 months ago have higher bounce rate; implement re-verification for prospect lists before automated campaign launch
- ⚠ NO WEBHOOKS FOR ENRICHMENT COMPLETION: LeadIQ does not support webhooks; automated enrichment workflows must poll for enrichment status; design enrichment pipelines with polling interval appropriate for expected enrichment latency
- ⚠ CRM DEDUPLICATION BEFORE PUSH: LeadIQ CRM push creates new records without automatic deduplication against existing CRM contacts; automated CRM sync without deduplication check creates duplicate lead records; implement CRM deduplication lookup before LeadIQ contact push
- ⚠ INTENT DATA SIGNAL LATENCY FROM BOMBORA: LeadIQ intent data integration sources from third-party providers; buying signal freshness depends on provider data collection cadence (typically weekly); automated trigger-based outreach on intent signals must account for signal latency — intent signals may reflect week-old research activity
Alternatives
Full Evaluation Report
Comprehensive deep-dive: security analysis, reliability audit, agent experience review, cost modeling, competitive positioning, and improvement roadmap for LeadIQ B2B Sales Prospecting API.
AI-powered analysis · PDF + markdown · Delivered within 30 minutes
Package Brief
Quick verdict, integration guide, cost projections, gotchas with workarounds, and alternatives comparison.
Delivered within 10 minutes
Score Monitoring
Get alerted when this package's AF, security, or reliability scores change significantly. Stay ahead of regressions.
Continuous monitoring
Scores are editorial opinions as of 2026-03-07.