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ContactOut
85Email and phone finder API with LinkedIn enrichment, people/company search, and email verification across 300M+ professional profiles.
API KeySubscriptionJSONBot Blocking: NoneNo CCemail-finderphone-finderlinkedin-enrichmentpeople-searchcompany-searchemail-verificationb2b-datacontact-enrichment
Pros
- + Simple token-header auth and clean JSON responses make integration straightforward for any agent framework — no OAuth flows or complex handshakes
- + Rich enrichment from minimal input — agents can resolve a LinkedIn URL or email into full contact details (work/personal emails, phones, social profiles) in a single call
- + Async batch endpoints with callback URLs let agents process bulk lookups without polling, ideal for pipeline-style agent workflows
Cons
- - No self-serve API access — agents cannot be provisioned programmatically; a human must book a sales call to obtain an API key
- - No public OpenAPI spec or official SDKs, so agents can't auto-discover endpoints or generate typed clients
Integration
example.py
import requests
headers = { "Content-Type": "application/json", "Accept": "application/json", "token": "YOUR_API_TOKEN"}
# Enrich a LinkedIn profileresp = requests.get( "https://api.contactout.com/v1/people/linkedin", headers=headers, params={"profile": "https://www.linkedin.com/in/johndoe"})data = resp.json()print(data["profile"]["emails"], data["profile"]["phones"])Details
- Category
- Email Finder
- Pricing
- Subscription
- Free Tier
- Free plan with 5 emails, 5 phones, 5 exports/day via Chrome extension only — API access requires Team/API plan (custom pricing, typically $2k-$4k/yr), must book a sales call to get API key.
- Rate Limit
- Not publicly documented; governed by plan-level credit allocation and fair-use policy (~2,000 email lookups, ~1,000 phone lookups/month on standard plans).
- Verified
- 2026-03-31
Score Breakdown
Base +50
OpenAPI Spec (No) 0
Auth Complexity (API Key) +10
Response Format (JSON) +10
Bot Blocking (None) +10
No Credit Card (Yes) +5
Completely Free (No) 0
Total 85
