InboxTrue
The facts below are what the maker publishes about InboxTrue, checked and dated. Our editors have not written about it yet.
Plans and prices
From InboxTrue's own pricing page, checked 5 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free tier | Free | 1,000 validations/month · 1 request/second · no credit card |
| One-time | $50, paid once | ≈ $0.0050 / validation · credits never expire · One-time cost |
| Enterprise | Priced on request | Custom volume and rate limits · dedicated support · invoicing and DPA · Available on request |
The facts
Each one read from InboxTrue's own pages, with the date it was checked.
What it does
- API integration
- The API uses plain HTTP and requires no SDK, with examples for curl, Node.js, Python, and Go.checked 5 Oct 2026
- API limits
- Single-email validation accepts a timeout from 1 to 90 seconds, with a default of 60 seconds.checked 5 Oct 2026
- Bulk validation
- The bulk endpoint accepts up to 200,000 email addresses per order and supports delivery webhooks.checked 5 Oct 2026
- Compliance
- For EU, UK, or Swiss personal data transfers, the policy says InboxTrue relies on safeguards such as Standard Contractual Clauses or other lawful transfer mechanisms.checked 5 Oct 2026
- Data handling
- Submitted email addresses and results may be cached, stored in validation history, and used to improve service accuracy; the policy says they are not sold.checked 5 Oct 2026
- Integrations
- The maker describes integration through a REST API but does not name third-party app integrations on the opened pages.checked 5 Oct 2026
- Intended users
- The privacy policy says the service is intended for businesses and developers and is not directed to children.checked 5 Oct 2026
- Product
- InboxTrue is an email validation API for checking whether addresses are real before sending email.checked 5 Oct 2026
- Security
- The privacy policy says data is encrypted in transit and at rest, access is role-based and audit logged, and API keys are hashed.checked 5 Oct 2026
- SMTP behavior
- The SMTP check uses a real handshake and says it does not send email.checked 5 Oct 2026
- Support
- Enterprise customers can request dedicated support, and the API documentation says customers can contact InboxTrue about higher rate limits.checked 5 Oct 2026
- Validation checks
- The service checks syntax, DNS/MX, SMTP mailbox existence, disposable addresses, and catch-all domains.checked 5 Oct 2026
The company
- Headquarters
- United Stateschecked 28 Sep 2026
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