Is there any limit on the number of custom domains a web service can have?

I’m looking to setup a feature where our users can host pages at their own custom domains. We’re considering using the unofficial Render GraphQL API until the official API is available.

Does Render have a limit on the number of custom domains a web service can support? I haven’t seen any documentation suggesting a limit, but wanted to double-check. Thanks!

There is no limit on the number of custom domains.

Can you confirm the 100 Names per certificate Let’s Encrypt’s limit doesn’t apply ? It’d be for a multi tenant NextJs app. Thanks in advance. Rate Limits - Let's Encrypt

Hi there,
We use CloudFlare certificates and a certificate issued per domain so this limit doesn’t apply here.

John B

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