Try things out with our free tier, which offers all the basic functionality, including API Access. With more usage or automation, our paid plans simplify integrations and offer higher usage limits.
| Feature | Guest | 100K Plan |
|---|---|---|
| Credits1 request consumes 1 credit, unless otherwise noted. Non-accruing. | 20 /hour | 100K /month |
| Monthly Rate | No | 125 USD /month |
| Annual Rate | No | 1,375 USD /year |
| Features | ||
| Schema.org Validation | Yes | Yes |
| SEO Validation HintsValidate against Bing, Google, and Yandex recommendations. | 20 /day | Yes |
| File Syntax Validation | Yes | Yes |
| File Syntax Conversion | Yes | Yes |
| Code ExamplesSearch and validate curated code snippets. Consumes no credits. | Yes | Yes |
| Integrations | ||
| Authentication | Client IP | Access Token |
| Developer API | Yes | Yes |
| Command Line Tools | Yes | Yes |
| Subscription Tools | ||
| Web ManagementUpgrade, downgrade, and cancel through your account portal. | Yes | Yes |
| Usage Monitoring | No | Yes |
| Access Tokens | No | 3 tokens |
| Support Channels | No | |
| Service Limits | ||
| Maximum Request Rate | 4 /second | 32 /second |
| Maximum Document Size | 1 MiB | 4 MiB |