> For the complete documentation index, see [llms.txt](https://postman-v2.guides.gov.sg/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://postman-v2.guides.gov.sg/technical-users-api.md).

# Technical Users (API)

- [Log in to postman.gov.sg](https://postman-v2.guides.gov.sg/technical-users-api/log-in-to-postman.gov.sg.md)
- [Request for campaign creation rights from agency PICs](https://postman-v2.guides.gov.sg/technical-users-api/request-for-campaign-creation-rights-from-agency-pics.md)
- [Create a campaign](https://postman-v2.guides.gov.sg/technical-users-api/create-a-campaign.md)
- [Whitelist your public IP address](https://postman-v2.guides.gov.sg/technical-users-api/whitelist-your-public-ip-address.md)
- [Generate your API key](https://postman-v2.guides.gov.sg/technical-users-api/generate-your-api-key.md)
- [Send SMSes using our API](https://postman-v2.guides.gov.sg/technical-users-api/send-smses-using-our-api.md)
- [API Reference](https://postman-v2.guides.gov.sg/technical-users-api/api-reference.md)
- [Authentication](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/authentication.md)
- [Rate limits](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/rate-limits.md)
- [Message statuses](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/message-statuses.md)
- [API errors](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/api-errors.md)
- [The message object](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/the-message-object.md)
- [POST - Single send](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/post-single-send.md)
- [POST - Retry single send](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/post-retry-single-send.md)
- [GET - Retrieve a single message](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/get-retrieve-a-single-message.md)
- [POST - Batch send](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/post-batch-send.md)
- [POST - Retry batch send](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/post-retry-batch-send.md)
- [GET - Retrieve batch messages](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/get-retrieve-batch-messages.md)
- [GET - Retrieve all campaign messages](https://postman-v2.guides.gov.sg/technical-users-api/api-reference/get-retrieve-all-campaign-messages.md)
- [Optional load testing](https://postman-v2.guides.gov.sg/technical-users-api/optional-load-testing.md)
- [FAQs (API)](https://postman-v2.guides.gov.sg/technical-users-api/faqs-api.md)


---

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