Note: Your Salesforce Administrator controls your Profile and Permission Sets.
How to enable API access in Salesforce by Profile
- Click Setup
- Click Manager Users -> Profiles.
3. Click Edit against the specific Profile.
4. Scroll down to Administrative Permissions and check the API Enabled box.
5. Click Save.
Note: If API is not enabled to your org, you will not be able to see the API Option under Administrative Permissions List.