Data Validation & Sanitization
Email verification, phone formatting, syntax checks, and data cleaning
Data Validation & Sanitization API Comparison Overview
Top Endpoints| API Service | Auth Type | Rate Limit | Security | Direct Link |
|---|---|---|---|---|
| Lob.com | Free Key | Değişken | HTTPS • CORS | Docs |
| Smarty US Street | Free Key | Değişken | HTTPS • CORS | Docs |
| Smarty US Autocomplete | Free Key | Değişken | HTTPS • CORS | Docs |
| PurgoMalum | No Key | Sınırsız | HTTPS • CORS | Docs |
| Postman Echo | No Key | Sınırsız | HTTPS • CORS | Docs |
| VATlayer | Free Key | 100 istek/ay | HTTPS • CORS | Docs |
Available Endpoints (6)
Lob.com
Verify, standardize, and format US postal mailing addresses via official USPS data
Smarty US Street
Verify, standardize, and format US postal mailing addresses via official USPS data
Smarty US Autocomplete
Instant autocomplete address search for US street addresses and suites
PurgoMalum
Filter profanity, swear words, and inappropriate language from user inputs
Postman Echo
Endpoint testing utility for verifying various HTTP verbs and headers
About Free Data Validation & Sanitization APIs
This directory curates 6 verified public APIs in the Data Validation & Sanitization domain. Developers can build dashboards, mobile applications, automation bots, and microservices with these ready-to-integrate endpoints without upfront billing.
Do I need an API key?
Several APIs listed here operate as Zero-Auth services where you can execute queries directly. Others provide free developer tiers with an instant key upon registration.
Does FreeAPI support CORS?
Yes, all endpoints can be called through FreeAPI Smart Edge Gateway to bypass browser CORS headers and inspect live responses.