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[Locked] Apply for higher API rate limit

OP Forum Team

If you have built and released a website or app experience using the Halo API, you can apply for an API Key with a higher rate limit. Please note that we typically require that anybody in the Halo community would be able to use your website or app in order to be approved for a higher rate limit.

Please remember to include the disclaimer as required by the Terms of Service.

Please complete the following form and send your application to with the title “Halo API Rate Limit + <developer or website/app name>”. Only fully completed forms will be taken into consideration.

Website/App name:



URL (if applicable):


Reasons for higher rate limit:

API call pattern:

Thank you for participating in the Public API Beta, and we can’t wait to see what you’ll create!