> This page is for version 0.0.75.
> For other versions, use one of these documentation indexes:
> - 0.0.79 (default): https://docs.refer.health.gov.sg/0-0-79/llms.txt
> - 0.0.78: https://docs.refer.health.gov.sg/0-0-78/llms.txt
> - 0.0.77: https://docs.refer.health.gov.sg/0-0-77/llms.txt
> - 0.0.76: https://docs.refer.health.gov.sg/0-0-76/llms.txt
> - 0.0.75: https://docs.refer.health.gov.sg/0-0-75/llms.txt
> - 0.0.74: https://docs.refer.health.gov.sg/0-0-74/llms.txt
> - 0.0.73: https://docs.refer.health.gov.sg/0-0-73/llms.txt
> - 0.0.72: https://docs.refer.health.gov.sg/0-0-72/llms.txt
> - 0.0.71: https://docs.refer.health.gov.sg/0-0-71/llms.txt
> - 0.0.70: https://docs.refer.health.gov.sg/0-0-70/llms.txt
> - 0.0.69: https://docs.refer.health.gov.sg/0-0-69/llms.txt
> - 0.0.68: https://docs.refer.health.gov.sg/0-0-68/llms.txt
> - 0.0.67: https://docs.refer.health.gov.sg/0-0-67/llms.txt
> - 0.0.66: https://docs.refer.health.gov.sg/0-0-66/llms.txt
> - 0.0.65: https://docs.refer.health.gov.sg/0-0-65/llms.txt
> - 0.0.64: https://docs.refer.health.gov.sg/0-0-64/llms.txt
> - 0.0.63: https://docs.refer.health.gov.sg/0-0-63/llms.txt
> - 0.0.62: https://docs.refer.health.gov.sg/0-0-62/llms.txt
> - 0.0.61: https://docs.refer.health.gov.sg/0-0-61/llms.txt
> - 0.0.60: https://docs.refer.health.gov.sg/0-0-60/llms.txt
> - 0.0.59: https://docs.refer.health.gov.sg/0-0-59/llms.txt
> - 0.0.58: https://docs.refer.health.gov.sg/0-0-58/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.refer.health.gov.sg/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.refer.health.gov.sg/_mcp/server.

This section will guide developers from GP Clinic CMSes or other sender systems through the end-to-end integration steps with RefX.

After reading this section, you should be able to:

* Authenticate against RefX
* Create a referral
* Generate and use a Referral Link
* Track referral statuses
* Handle common errors and edge cases

You can use the **APIs Overview** section to explore available endpoints, view each and test requests in your browser, and review example payloads and responses.

API keys are issued to approved partners through the **HealthTech GovTech developer onboarding process**. Each key is linked to a specific environment (e.g. *Sandbox* or *Production*).