# LinkedIn Marketing APIs vs Microsoft Advertising API (slim)

> LinkedIn Marketing APIs scores 62.4 (B) on agent readiness against Microsoft Advertising API's 60.3 (C), and leads in 4 of 7 scored categories. Microsoft Advertising API leads on schema & documentation. Both do ads reporting. Category scores, facts, verdicts and agent notes side…

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LinkedIn Marketing APIs scores 62.4 (B) on agent readiness against Microsoft Advertising API's 60.3 (C), and leads in 4 of 7 scored categories. Microsoft Advertising API leads on schema & documentation. Both do ads reporting.

- LinkedIn Marketing APIs: B 62.4, rank #304 of 629 · https://www.anchorterminal.com/tools/linkedin-marketing-api.min.md
- Microsoft Advertising API: C 60.3, rank #360 of 629 · https://www.anchorterminal.com/tools/microsoft-advertising-api.min.md
- LinkedIn Marketing APIs, good for An agent that reports on and manages LinkedIn campaigns for accounts its operator administers, especially read-only reporting, which has no account limit on Development tier. Ahead on Reliability, 66 against 60; Security & auth, 66 against 60; Transparency & trust, 84 against 64.
- Microsoft Advertising API, good for Agents that manage or report on Microsoft Advertising accounts, including Google Ads imports. Ahead on Schema & documentation, 79 against 66. Also A hosted endpoint, with nothing to install.

| Category | LinkedIn Marketing APIs | Microsoft Advertising API |
| --- | --- | --- |
| Reliability (16%) | 66 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 66 | 79 |
| Agent ergonomics (13%) | 63 | 63 |
| Security & auth (14%) | 66 | 60 |
| Payments & pricing (10%) | 30 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 64 | 61 |
| Transparency & trust (7%) | 84 | 64 |

| Fact (where they differ) | LinkedIn Marketing APIs | Microsoft Advertising API |
| --- | --- | --- |
| Vendor | LinkedIn Corporation | Microsoft |
| Hosted endpoint | no (local only) | `https://campaign.api.bingads.microsoft.com/CampaignManagement/v13` |
| Licence | Proprietary service under the LinkedIn API terms of use and the Marketing API terms. The beta Python and JavaScript clients carry LinkedIn's API development software licence | Proprietary service. The .NET, Java, Python and PHP SDKs are MIT |
| Tools exposed | none | 7 |
| Last release | 2026-09-16 | 2026-09-29 |
| Privacy policy last updated | couldn't be read | 2026-09-01 |
| Customer content may train models | couldn't be read | yes |
| Popularity | 25k npm/wk, 386k PyPI/wk | 128 stars, 19k PyPI/wk |