// for startups

Find Your First Customers Without Burning Runway

You need leads, not a $10K/year enterprise tool. Tomba starts free, does not charge for searches that find nothing, and credit packs that last 12 months. Built for founders who move fast and watch every dollar.

Start Free 25 Searches/Month See Pricing

01POST/reveal/searchCompanies that match a plain-language query or filters1 search credit
02GET/domain-searchThe email addresses at a company, with names, roles and the company profile1 per 10 search credits
03GET/email-finderA person's work email from their name and company domain1 search credit
04GET/email-verifierWhether an address is deliverable: syntax, MX, SMTP, catch-all and greylisting checks1 verification credit

// teams at these companies use tomba

// 01 · workflow

The calls behind this workflow

Each step is one API call. The app, the browser extension and bulk jobs run the same endpoints, on the same credits.

POST /reveal/search

curl -X POST "https://api.tomba.io/v1/reveal/search" \
  -H "X-Tomba-Key: $TOMBA_API_KEY" \
  -H "X-Tomba-Secret: $TOMBA_SECRET_KEY" \
  -H "Content-Type: application/json" \
  -d '{"query":"Compression startups in California","page":1}'

const res = await fetch("https://api.tomba.io/v1/reveal/search", {
  method: "POST",
  headers: {
    "X-Tomba-Key": process.env.TOMBA_API_KEY,
    "X-Tomba-Secret": process.env.TOMBA_SECRET_KEY,
    "Content-Type": "application/json"
  },
  body: JSON.stringify({"query":"Compression startups in California","page":1})
});
const { data } = await res.json();

import os, requests

res = requests.post(
    "https://api.tomba.io/v1/reveal/search",
    headers={
        "X-Tomba-Key": os.environ["TOMBA_API_KEY"],
        "X-Tomba-Secret": os.environ["TOMBA_SECRET_KEY"],
    },
    json={"query":"Compression startups in California","page":1},
)
data = res.json()["data"]

// 02 · features

Maximum Value, Minimum Spend

Every feature exists to help you find customers faster while protecting your burn rate.

No Charge for Empty Searches
If Tomba can't find a verified, deliverable email you don't pay. Zero. Failed lookups are completely free.
25 Free Searches/Month
Start prospecting today with no credit card. Enough to validate your first cold outreach campaign before spending a cent.
Credits Valid for 12 Months
Buy credits when you have budget. Use them at your own pace.
No Lock-In, No Contracts
Monthly subscription or one-time credits. Cancel anytime. Keep all unused credits forever. Zero commitment.
Phone Numbers Included
Direct dials and mobile numbers in all plans. No separate phone tool subscription eating your budget.
#1 of 9 in our public benchmark
#1 of 9 in our public 5,000-lead benchmark. More valid emails mean fewer bounces and a better sender reputation, which matters for startups.
Full API Access on Free Plan
Build Tomba into your product from day one with the same API and SDKs. The Free plan has lower rate limits and caps domain search at 10 results.
All Extensions Included
Chrome, Firefox, Edge, Safari, Google Sheets, Excel. Every tool included on every plan. No add-on fees.

// 03 · tools

The tools this team uses

For Developers Email Finder Free Tools Chrome Extension

Tomba.io is the tool I turn to. Finding the contacts for the perfect prospects at scale is game changing in helping us promote.
Nicholas RizzoSenior Digital Manager, Vizme
We rely on Tomba.io to efficiently locate email addresses of key professionals. This allows us to connect directly and build meaningful relationships.
Josh LeierCreative Director, IceHound Marketing
Since years, Tomba.io has provided the most results per search, and still it keeps getting better. It recently became one of the most feature-rich tools for our list building.
Steffen BurandtHead of Business Development, Chandler Orchards
We use Tomba.io to find emails of the right people, helping us reach out and grow our network easily.
Olderico A.F. CavigliaCEO, Strategycapp

// faq

Startup FAQ

Still have questions? Visit the help center

const res = await fetch("https://api.tomba.io/v1/email-finder?domain=piedpiper.com&first_name=Richard&last_name=Hendricks", { headers: { "X-Tomba-Key": process.env.TOMBA_API_KEY, "X-Tomba-Secret": process.env.TOMBA_SECRET_KEY } }); const { data } = await res.json();

import os, requests res = requests.get( "https://api.tomba.io/v1/email-finder?domain=piedpiper.com&first_name=Richard&last_name=Hendricks", headers={ "X-Tomba-Key": os.environ["TOMBA_API_KEY"], "X-Tomba-Secret": os.environ["TOMBA_SECRET_KEY"], }, ) data = res.json()["data"]

{ "data": { "email": "richard@piedpiper.com", "first_name": "Richard", "last_name": "Hendricks", "full_name": "Richard Hendricks", "website_url": "piedpiper.com", "company": "Pied Piper", "pattern": "{first}", "department": "executive", "type": "personal", "position": "CEO", "country": "US", "gender": "male", "twitter": null, "linkedin": "https://www.linkedin.com/in/richard-hendricks", "score": 100, "accept_all": false, "phone_number": true, "verification": { "date": "2025-01-15T10:32:00+01:00", "status": "valid" }, "sources": [ { "uri": "https://piedpiper.com/blog/engineering", "website_url": "piedpiper.com", "extracted_on": "2024-06-01T09:14:07+01:00", "last_seen_on": "2025-01-10T17:02:44+01:00", "still_on_page": true } ], "phone_data": [] } }

Find Your First Customers Without Burning Runway

The calls behind this workflow

Maximum Value, Minimum Spend

No Charge for Empty Searches

25 Free Searches/Month

Credits Valid for 12 Months

No Lock-In, No Contracts

Phone Numbers Included

#1 of 9 in our public benchmark

Full API Access on Free Plan

All Extensions Included

The tools this team uses

Startup FAQ

Make your first call in a minute