# Build and operate

Use this section to review product requirements and API contracts. Use the engineering guides for commands that run against the current repository.

| Intent      | Start here                                                                      |
| ----------- | ------------------------------------------------------------------------------- |
| How-to      | [Review a product change](/stormtrust/product/build-and-operate/review-change/) |
| How-to      | [Validate a change](/stormtrust/engineering/operations/validate/)               |
| How-to      | [Deploy, check health, and recover](/stormtrust/engineering/operations/)        |
| Reference   | [API documentation](/stormtrust/product/build-and-operate/api/)                 |
| Explanation | [Testing strategy](/stormtrust/product/build-and-operate/testing/)              |
| Explanation | [Operational requirements](/stormtrust/product/build-and-operate/operations/)   |

## All pages

- [Review a product change](/stormtrust/product/build-and-operate/review-change/)
- [Testing strategy](/stormtrust/product/build-and-operate/testing/)
- [Operational requirements](/stormtrust/product/build-and-operate/operations/)
- [API documentation](/stormtrust/product/build-and-operate/api/)