// csv enrichment
Enrich 10,000 contacts from a spreadsheet in minutes
Upload a CSV with names, emails, domains, or LinkedIn URLs. Tomba enriches every row with verified data: emails, phones, titles, company info: and gives you a clean file ready for outreach.
// 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.
- 01POST
/bulk/{type}A job that runs a finder, verifier or enrichment over a list, with a signed webhook when donePer row - 02GET
/email-verifierWhether an address is deliverable: syntax, MX, SMTP, catch-all and greylisting checks1 verification credit - 03GET
/enrichThe person behind an email address: name, role, company and profiles1 search credit - 04GET
/companies/findA company profile from its domain: industry codes, size, location, socials1 search credit
curl -G https://api.tomba.io/v1/email-verifier \
--data-urlencode "email=richard@piedpiper.com" \
-H "X-Tomba-Key: $TOMBA_API_KEY" \
-H "X-Tomba-Secret: $TOMBA_SECRET_KEY"const params = new URLSearchParams({
email: "richard@piedpiper.com"
});
const res = await fetch(`https://api.tomba.io/v1/email-verifier?${params}`, {
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-verifier",
params={
"email": "richard@piedpiper.com",
},
headers={
"X-Tomba-Key": os.environ["TOMBA_API_KEY"],
"X-Tomba-Secret": os.environ["TOMBA_SECRET_KEY"],
},
)
data = res.json()["data"]// 02 · how it works
Upload. Enrich. Download.
Turn a messy spreadsheet into a goldmine of verified contact data in three simple steps
- 01
Upload your CSV
Drag and drop any CSV file. Tomba auto-detects columns for names, emails, domains, and LinkedIn URLs. No formatting needed.
- 02
We enrich every row
Tomba processes each row against 450M+ contacts: finding emails, verifying them, and attaching phone numbers and company data.
- 03
Download enriched results
Get your CSV back with added columns for email, phone, title, company, confidence score, and verification status. Ready for your CRM.
// 03 · features
Built for speed, not headaches
Everything you need to process large contact lists without writing a single line of code.
Drag and drop upload
No formatting required. Tomba auto-detects columns and maps them to the right fields. Just drop your file and go.
Clean export
Download results as CSV with new columns for every enriched field. Import directly into your CRM or outreach tool.
Built-in verification
Every address comes back with its verification status during enrichment, with no extra tool.
No charge for empty searches
Failed lookups are free. If Tomba can't find a valid email for a row, no credits are consumed.
Monthly or one-time credits
Subscribe monthly for regular campaigns or buy one-time credits for a single project. Credit packs last 12 months.
// 04 · tools
The tools this team uses
- Bulk email finderFind emails for a list of names and companies.
- Bulk email verifierClean an entire email list at once.
- Bulk phone finderFind phone numbers for a list of contacts.
- Bulk domain searchGet all emails for a list of company domains.
- Google Sheets add-onEnrich contacts directly inside Google Sheets.
- Excel add-inEnrich contacts directly inside Microsoft Excel.
// 05 · customers
What customers say
I've been using Tomba.io for nearly three years, and it consistently delivers. I've run multiple side-by-side tests comparing Tomba.io against Clay's waterfall enrichment and Hunter.io. In every case, Tomba.io delivered better results.
Aristotle MalichettyBusiness Intelligence AnalystTomba.io is my go-to to validate emails. Even though I might have others in a waterfall process, Tomba.io is usually the top choice.
Nuno PoçoSales Automation Architect, clickworks.ioStellar product and amazing support. I have tested many tools and this one is far superior. I highly recommend it.
Martin EbonguéEntrepreneur, Genius Data FlowIf you use prospecting and/or data-enrichment tools, give tomba.io a chance.
José Ramón HidalgoGrowth Hacking & Marketing, Quarizmi AdTech