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Data Validation APIs
Customers already pay 20 companies here.
Checked Sep 2026
- Players
- 20
- Typical revenue
- $6.3M
- Typically founded
- 2014
- Trends Score
- 11
Trends Score rates how good a market is for someone starting now, out of 100.
One data validation API makes $10M a year. See which one.
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Who's in it
Showing 3 of 20
| Company | Revenue | Founded |
|---|---|---|
| Melissa | $133M | 1985 |
| Lob | $100M | 2013 |
| Smarty | $14M | 2011 |
A data validation API started in 2017 now makes $7.5M a year.
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Who founded each one, with their X handles: Inside Trends Pro →
What they earn, and when they started
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Questions
- How many data validation APIs are there?
- Customers already pay 20. They include Melissa, Lob, Smarty.
- How much do data validation APIs make?
- Typical revenue is $6.3M a year. Across the 20, revenue runs from $440K to $133M.
- When were data validation APIs founded?
- Typically in 2014. The newest started in 2020.