Custom metadata fields

Number of APIs: 4

1. Create custom metadata field POST https://api.imagekit.io/v1/customMetadataFields

2. Get custom metadata fields GET https://api.imagekit.io/v1/customMetadataFields

3. Update custom metadata field PATCH https://api.imagekit.io/v1/customMetadataFields/field_id_string

4. Delete custom metadata field DELETE https://api.imagekit.io/v1/customMetadataFields/field_id_string