# catchallverifier Documentation > Documentation for catchallverifier ## API Reference: API for Catch-all Verifier - /api/v1/verify/single - [Verify a single email](https://catchallverifier.readme.io/reference/post_api-v1-verify-single.md): This endpoint allows you to run a single email verification. - [Get a single verification](https://catchallverifier.readme.io/reference/get_api-v1-verify-single.md): This endpoint allows you to retrieve a single verification. *** The `result` will tell you if the email is either `valid` or `invalid`. - /api/v1/verify/bulk - [Verify multiple emails](https://catchallverifier.readme.io/reference/post_api-v1-verify-bulk.md): This endpoint allows you to run multiple verifications in parallel. *** It can go up to **5000** verifications per batch. - [Get multiple verifications](https://catchallverifier.readme.io/reference/get_api-v1-verify-bulk.md): This endpoint allows you to retrieve the results of a bulk verification *** The `result` will tell you if the email is either `valid` or `invalid`. - /api/v1/credits - [Get credits balance](https://catchallverifier.readme.io/reference/get_api-v1-credits.md): This endpoint allows you to get credits balance.