For AI agents: visit https://dev.cardsavr.com/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI. Append .md to any documentation page URL to get its markdown version.
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App Name and Keys

I read in the documentation that I need to use my app name for signing/encryption. How do I get these?

8 years ago by jsmith
Answered

XML Parsing Error

I am getting an XML parsing error while trying to access an endpoint. What’s the issue?

8 years ago by John Smith
Answered

Invalid State Error

I'm getting an 'invalid state error' when I try to access 'session/login'. What's the deal?

8 years ago by John Smith
Answered

Making Dev Accounts

How do I make a developer account to access CardSavr?

8 years ago by Joe Smith
Answered

403: Not Authorized Error

I am getting a 403: Not Authorized error, but I am logged in. What’s the issue?

8 years ago by Joe Smith
Answered

Expired cookie?

I'm getting an expired cookie error when I submit a GET request to /merchant-sites/. What am I doing wrong?

8 years ago by John Smith
Answered

How do I receive my initial shared secret key to access the /start/ endpoint?

I know that a shared secret key is needed to access all endpoints, but I don't understand how to get the first key.

8 years ago by Joe Smith
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