Morph API uses API Keys to authenticate requests.

All the endpoints of Morph API require an x-api-key header with an API Key to authenticate API requests.

Create an API Key

Head to API Keys to learn how to create and use API Keys.

Authenticate requests

Once you have an API Key, you can authenticate your requests by defining the API Key as an x-api-key header.

x-api-key header

This is how thex-api-key header with an API Key should be used:

--header "x-api-key: {YOUR_API_KEY}"

Example where the x-api-key header and API Key are part of a full example of a request to the Query Records endpoint.

curl --X POST "https://{YOUR_TEAM_SLUG}.api.morphdb.io/v0/data-api/record/query" \
--header "Content-Type: application/json" \
--header "x-api-key: {YOUR_API_KEY}" \
--data "{


The x-api-key is a custom HTTP header. It is not part of the standard HTTP headers defined by the HTTP/1.1 specification. However, it is widely used by many APIs as a convention for sending API key, such as AWS API Gateway and others.

Other requirements


All requests must be sent over HTTPS

Authentication errors

Example of authentication error returned by Morph API when sending a request to the Get List of Fields endpoints without the x-api-key header and API Key.

  "error": "auth_error",
  "subCode": 4,
  "message": "API Key is invalid."


Head to authentication error for more details about these errors.

Next steps

To learn how to create and use API Keys to authenticate your request to Morph API, head to: