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Tomba
85Email finding and verification API with 430M+ indexed addresses -- domain search, email finder, verifier, enrichment, author finder, and LinkedIn lookup.
API KeyFreemiumJSONBot Blocking: NoneNo CCemail-finderemail-verificationdomain-searchenrichmentb2blead-generationmcp-server
Pros
- + Official MCP server available -- agents can use Tomba tools directly via Model Context Protocol with zero custom integration
- + SDKs in 8+ languages (Python, Node, Go, Ruby, PHP, Rust, Deno, R) with clean structured JSON responses ideal for LLM parsing
- + Generous endpoint variety (20 endpoints) covering the full email intelligence pipeline: find, verify, enrich, phone, tech detection
Cons
- - Auth requires both API key AND secret (two headers: X-Tomba-Key + X-Tomba-Secret), slightly more complex than single-key APIs
- - Free tier is very limited (25 searches/month) -- agents doing any meaningful volume will hit paid tiers quickly
Integration
example.py
from tomba.client import Clientfrom tomba.services.finder import Finder
client = Client()client.set_key('ta_xxxx').set_secret('ts_xxxx')
finder = Finder(client)result = finder.email_finder('stripe.com', 'John', 'Doe')print(result)Details
- Category
- Email Finder
- Pricing
- Freemium
- Free Tier
- 25 searches + 50 verifications/month, no credit card required
- Rate Limit
- 100-300 req/min depending on endpoint (e.g. Domain Search 15 req/s, Finder 300 req/min, LinkedIn Finder 100 req/min)
- 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
