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// 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.

  1. 01POST/bulk/{type}Per row
  2. 02GET/email-verifier1 verification credit
  3. 03GET/enrich1 search credit
  4. 04GET/companies/find1 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"

// 02 · how it works

Upload. Enrich. Download.

Turn a messy spreadsheet into a goldmine of verified contact data in three simple steps

  1. 01

    Upload your CSV

    Drag and drop any CSV file. Tomba auto-detects columns for names, emails, domains, and LinkedIn URLs. No formatting needed.

  2. 02

    We enrich every row

    Tomba processes each row against 450M+ contacts: finding emails, verifying them, and attaching phone numbers and company data.

  3. 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.

// 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 Analyst
  • Tomba.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.io
  • Stellar product and amazing support. I have tested many tools and this one is far superior. I highly recommend it.
    Martin EbonguéEntrepreneur, Genius Data Flow
  • If you use prospecting and/or data-enrichment tools, give tomba.io a chance.
    José Ramón HidalgoGrowth Hacking & Marketing, Quarizmi AdTech

// 06 · faq

CSV enrichment questions

Still have questions? Visit the help center

// start free

See who Tomba finds at any company

Type a company's domain to see its people, their roles and verified work emails, each with the pages it was found on. Free account, no card.