# api-designer

Skill · `skill:api-designer`

Favz census, built 2026-10-04. Tool names and counts only. No repo names. HTML page: https://favz.co/tools/skill-api-designer.html

- Repos that have it now: 29
- Repos that ever had it: 34
- Still have it: 85%
- Share of census repos with any tool: 0.03%

## Repos with it, by month

From commit dates in each repo's history. The last few days always look low, because repos found later fill them in.

| Month | Repos at month end |
|---|---|
| 2025-10 | 1 |
| 2025-11 | 2 |
| 2026-01 | 5 |
| 2026-03 | 8 |
| 2026-04 | 13 |
| 2026-05 | 15 |
| 2026-06 | 19 |
| 2026-07 | 21 |
| 2026-08 | 27 |
| 2026-09 | 29 |

## Goes with

Tools found in the same repos, ranked by lift: 3× means the two show up together three times as often as chance would give. Only pairs sharing 5 or more repos.

| Tool | Kind | Repos with both | Lift |
|---|---|---|---|
| [devops-engineer](https://favz.co/tools/skill-devops-engineer.md) | Skill | 12 | 1505.9× |
| [test-master](https://favz.co/tools/skill-test-master.md) | Skill | 9 | 1468.3× |
| [react-expert](https://favz.co/tools/skill-react-expert.md) | Skill | 9 | 1223.6× |
| [architecture-designer](https://favz.co/tools/skill-architecture-designer.md) | Skill | 7 | 1142.0× |
| [cloud-architect](https://favz.co/tools/skill-cloud-architect.md) | Skill | 8 | 1087.6× |
| [legacy-modernizer](https://favz.co/tools/skill-legacy-modernizer.md) | Skill | 7 | 1087.6× |
| [sql-pro](https://favz.co/tools/skill-sql-pro.md) | Skill | 9 | 1012.6× |
| [database-optimizer](https://favz.co/tools/skill-database-optimizer.md) | Skill | 9 | 978.8× |
| [cpp-pro](https://favz.co/tools/skill-cpp-pro.md) | Skill | 6 | 932.2× |
| [typescript-pro](https://favz.co/tools/skill-typescript-pro.md) | Skill | 11 | 920.3× |
| [javascript-pro](https://favz.co/tools/skill-javascript-pro.md) | Skill | 7 | 845.9× |
| [nestjs-expert](https://favz.co/tools/skill-nestjs-expert.md) | Skill | 8 | 815.7× |