# Q&A

### What should I do if I didn’t get a callback?

You can check the status of:

- [Get an applicant](/objects/applicants/applicant-get)
- [Get a document](/objects/documents/document-get)
- [Get a verification](/objects/verifications/verification-get)


### How to test requests with “Try it” button?

1. Click the **Try it** button under a request to open **Try it console**


1. Click the **Security** tab for API key settings


1. Hover the **{$inputs.API-Key}** variable and click the **Set value** button


1. The **Value** input field will appear. You may find your API key in the **API keys** section in the **Dashboard**. Copy and paste your API key into the **Value** input field. The key will be stored only in the local files


1. Perform the request by clicking **Send** button and observe results