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Documentation Index

Fetch the complete documentation index at: https://www.marqeta.com/docs/llms.txt

Use this file to discover all available pages before exploring further.

To communicate with the Core API of the Marqeta platform, you must include the proper headers in your API requests. For information on headers included in JIT Funding requests sent by the Marqeta platform, see Gateway JIT Funding Messages.

Request headers

You must include the following headers in requests sent to the Core API:
NameDescriptionRequest TypeRequired Value
authorizationCredentials to authenticate your request.GET, POST, PUTYour token
content-typeThe media type of the requested resource.POST, PUTapplication/json

Sample request headers

Bash
$ Headers: Content-Type: application/json, Authorization: Basic {_your_encoded_credentials_}