Pricing

A free tier to start validating, and paid plans that scale for automation.

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.

FeatureGuest100K Plan
Credits1 request consumes 1 credit, unless otherwise noted. Non-accruing.20 /hour
100K /month
Monthly RateNo125 USD /month
Annual RateNo1,375 USD /year
Analysis
Schema.org ValidationYesYes
SEO Validation HintsValidate against Bing, Google, and Yandex recommendations.20 /dayYes
File Syntax ValidationYesYes
File ConversionYesYes
Sources
File Upload1 MiB4 MiB
Web FetchOnce retrieved, analysis consumes no credits.6 credits /URL6 credits /URL
Verified Web FetchVerify your domain for reduced credit consumption.4 credits /URL4 credits /URL
Code ExamplesSearch and validate curated code snippets. Consumes no credits.YesYes
Verified DomainsVerify your domains and web sites for expanded access.1 origin20 origins
Automation
AuthenticationClient IPAccess Token
Access TokensNo3 tokens
Developer APIYesYes
Command Line ToolsYesYes
Subscription Tools
Web ManagementUpgrade, downgrade, and cancel through your account portal.YesYes
Usage MonitoringNoYes
Support ChannelsNoE-mail
Service Limits
Maximum Request Rate4 /second32 /second

Frequently Asked Questions