# LinkedIn Marketing APIs vs X Ads API (slim)

> LinkedIn Marketing scores 62.4 (B) to X Ads's 57.3 (C) for ad reporting. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/linkedin-marketing-api-vs-x-ads.md (~2,400 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/linkedin-marketing-api-vs-x-ads.json · canonical https://www.anchorterminal.com/compare/linkedin-marketing-api-vs-x-ads
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

LinkedIn Marketing APIs scores 62.4 (B) on agent readiness against X Ads API's 57.3 (C), and leads in 6 of 7 scored categories. X Ads API leads on reliability. Both do ad reporting.

- LinkedIn Marketing APIs: B 62.4, rank #434 of 950 · https://www.anchorterminal.com/tools/linkedin-marketing-api.min.md
- X Ads API: C 57.3, rank #616 of 950 · https://www.anchorterminal.com/tools/x-ads.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 Security & auth, 66 against 48; Payments & pricing, 30 against 20; Transparency & trust, 84 against 62.
- X Ads API, good for An agent that manages or reports on X campaigns for an advertiser with an approved developer app, especially through the MCP server, where scopes separate reads from writes and writes start paused. Ahead on Reliability, 75 against 66. Also A hosted endpoint, with nothing to install.

| Category | LinkedIn Marketing APIs | X Ads API |
| --- | --- | --- |
| Reliability (16%) | 66 | 75 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 66 | 64 |
| Agent ergonomics (13%) | 63 | 62 |
| Security & auth (14%) | 66 | 48 |
| Payments & pricing (10%) | 30 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 64 | 63 |
| Transparency & trust (7%) | 84 | 62 |

| Fact (where they differ) | LinkedIn Marketing APIs | X Ads API |
| --- | --- | --- |
| Vendor | LinkedIn Corporation | X Corp. |
| Hosted endpoint | no (local only) | `https://ads-api.x.com/mcp` |
| 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 under the X Developer Agreement and its incorporated Developer Policy |
| llms.txt | no | yes |
| Last release | 2026-09-16 | 2026-09-17 |
| Terms last updated | couldn't be read | 2026-04-27 |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | yes |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | yes |
| Popularity | 25k npm/wk, 386k PyPI/wk | none |