> For the complete documentation index, see [llms.txt](https://docs.transferchain.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.transferchain.io/transferchain-sdk/s4/authentication-and-access-credentials.md).

# Authentication and Access Credentials

API token, API Secret and Identifiers needs to be requested from TransferChain via <support@transferchain.io> or please contact your customer success manager to obtain them.