Block an identifier from access
One step with Clerk. We can help you get access.
Get something done
Block an identifier from access
with Clerk
Works with AI assistants
Use Clerk: its Clerk Backend Allow-list / Block-list API lets you block an identifier from access in a single step (POST /blocklist_identifiers). Clerk also has an MCP server, so an AI assistant like Claude or ChatGPT can do it for you. capabilities.work can help you get signed up and connected.
- How do I block a disposable email domain from my app?
- Can I stop a specific phone number or email from accessing my instance?
Say it to your AI assistant
- Add {identifier} to the block-list.
- Block {identifier} from accessing my application.
For your developer
POST /blocklist_identifiers in Clerk Backend Allow-list / Block-list API. Full spec on APIs.io.