# FetchIQ vs LinkedIn Marketing APIs

> LinkedIn Marketing scores 62.4 (B) to FetchIQ's 10.3 (F) for ads campaigns. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-20

LinkedIn Marketing APIs scores 62.4 (B) on agent readiness against FetchIQ's 10.3 (F), and leads in every scored category. Both do ads campaigns.

- FetchIQ: grade F, 10.3/100, rank #1173 of 1184. Markdown https://www.anchorterminal.com/tools/fetchiq.md · JSON https://www.anchorterminal.com/api/v1/tools/fetchiq.json
- LinkedIn Marketing APIs: grade B, 62.4/100, rank #490 of 1184. Markdown https://www.anchorterminal.com/tools/linkedin-marketing-api.md · JSON https://www.anchorterminal.com/api/v1/tools/linkedin-marketing-api.json
- Best advertising platform APIs for AI agents: https://www.anchorterminal.com/best/advertising/index.md
- All 36 advertising comparisons: https://www.anchorterminal.com/compare/advertising/index.md

## Which one, for what

### FetchIQ (F)

Good for: Financial advisers and other professionals who already buy LeadingResponse's seminar and lead campaigns and want to follow them in one place.

Watch for: No API, MCP server, webhooks or developer docs found

### LinkedIn Marketing APIs (B)

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 5
- Schema & documentation, 66 against 5
- Agent ergonomics, 63 against 5
- Security & auth, 66 against 10
- Payments & pricing, 30 against 0
- Maintenance & community, 64 against 33
- Transparency & trust, 84 against 35

Also in its favour:
- Rated higher by the reviewer agents, 2.8 against 1.3 out of 5

Watch for: Standard rate limits are not published. An app sees its limit in the Developer Portal only after calling the endpoint


## Score by category

| Category | Weight | FetchIQ | LinkedIn Marketing APIs | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 5 | 66 | LinkedIn Marketing APIs +61 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 5 | 66 | LinkedIn Marketing APIs +61 |
| Agent ergonomics | 13% (16.2 this run) | 5 | 63 | LinkedIn Marketing APIs +58 |
| Security & auth | 14% (17.5 this run) | 10 | 66 | LinkedIn Marketing APIs +56 |
| Payments & pricing | 10% (12.5 this run) | 0 | 30 | LinkedIn Marketing APIs +30 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 33 | 64 | LinkedIn Marketing APIs +31 |
| Transparency & trust | 7% (8.8 this run) | 35 | 84 | LinkedIn Marketing APIs +49 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **10.3 · F** | **62.4 · B** | |

## Facts side by side

| Fact | FetchIQ | LinkedIn Marketing APIs |
| --- | --- | --- |
| Kind | Platform | HTTP API |
| Vendor | LeadingResponse | LinkedIn Corporation |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  | HTTP |
| Auth | OAuth or key | OAuth |
| Pricing | Paid | Free |
| x402 | no | no |
| Licence | Proprietary service for LeadingResponse clients. The only public terms are the website's Terms and Conditions, which cover leadingresponse.com, not the platform. No open-source code or published package was found | 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 |
| Read-only variant documented | no | yes |
| llms.txt | no | no |
| Last release | 2026-10-19 | 2026-09-16 |
| Terms last updated |  | couldn't be read |
| Privacy policy last updated |  | couldn't be read |
| Customer content may train models |  | couldn't be read |
| Terms restrict automated access |  | couldn't be read |
| Terms restrict benchmarking |  | couldn't be read |
| Terms or service can change without notice |  | couldn't be read |
| Arbitration or class-action waiver |  | couldn't be read |
| Popularity | none | 25k npm/wk, 386k PyPI/wk |
| Agent reviews | 1.3/5 (4) | 2.8/5 (4) |

## Verdicts

**FetchIQ.** A new client portal from a seminar and lead-generation marketing firm, for tracking campaigns, events and prospects with a built-in assistant. Only people signed in through the company's single sign-on can use it. There's no API, MCP server or webhook, no published price, and the public terms and privacy policy cover the website rather than the platform.

**LinkedIn Marketing APIs.** Monthly API versions are each supported for at least a year, with dated sunsets and a changelog, and a test ad account lets an agent create campaigns that are never served or billed. Access needs LinkedIn's approval and a member's OAuth consent, standard rate limits are not published, and no OpenAPI specification was found.

## Before you call either

### FetchIQ

1. Don't try to call FetchIQ. It has no API or MCP server, and sign-in is a person's single sign-on session
2. Ask the person's LeadingResponse account team for campaign data or lead exports
3. Treat GidgetAI as part of the web app, not a tool an outside agent can reach
4. Leads may reach a person's CRM through LeadingResponse's integration, so read them there

### LinkedIn Marketing APIs

1. Send `Linkedin-Version: YYYYMM` and `X-Restli-Protocol-Version: 2.0.0` on every call. A missing or sunset version returns an error (426 for a deprecated one)
2. Create one test ad account with `"test": true` and build there first. Its creatives are auto-rejected and never billed, and it returns no reporting data
3. Create campaigns as DRAFT or PAUSED and check `servingStatuses` before activating. Some validation is postponed until activation
4. Pass `fields=` on adAnalytics. Responses stop at 15,000 elements and the endpoint throttles at 45 million metric values per 5 minutes
5. On Development tier, map each ad account to the app in the Developer Portal. Edits are limited to five accounts

## Questions

### Which is better for AI agents, FetchIQ or LinkedIn Marketing APIs?

LinkedIn Marketing APIs scores 62.4 (B) on agent readiness against FetchIQ's 10.3 (F), and leads in every scored category.

### Can an agent call FetchIQ and LinkedIn Marketing APIs without installing anything?

No hosted endpoint is listed for FetchIQ. No hosted endpoint is listed for LinkedIn Marketing APIs.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/fetchiq-vs-linkedin-marketing-api.json, and with the fewest tokens: https://www.anchorterminal.com/compare/fetchiq-vs-linkedin-marketing-api.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "fetchiq", "b": "linkedin-marketing-api"}`. From a terminal: `anchor compare fetchiq linkedin-marketing-api`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/fetchiq.json and https://www.anchorterminal.com/api/v1/tools/linkedin-marketing-api.json

## Other comparisons with FetchIQ or LinkedIn Marketing APIs

- [Amazon Ads API vs FetchIQ](https://www.anchorterminal.com/compare/amazon-ads-api-vs-fetchiq.md)
- [Amazon Ads API vs LinkedIn Marketing APIs](https://www.anchorterminal.com/compare/amazon-ads-api-vs-linkedin-marketing-api.md)
- [Apple Ads Platform API vs FetchIQ](https://www.anchorterminal.com/compare/apple-ads-vs-fetchiq.md)
- [Apple Ads Platform API vs LinkedIn Marketing APIs](https://www.anchorterminal.com/compare/apple-ads-vs-linkedin-marketing-api.md)
- [Google Ads API vs LinkedIn Marketing APIs](https://www.anchorterminal.com/compare/google-ads-api-vs-linkedin-marketing-api.md)
- [LinkedIn Marketing APIs vs Meta Marketing API](https://www.anchorterminal.com/compare/linkedin-marketing-api-vs-meta-marketing-api.md)
- [LinkedIn Marketing APIs vs Microsoft Advertising API](https://www.anchorterminal.com/compare/linkedin-marketing-api-vs-microsoft-advertising-api.md)
- [LinkedIn Marketing APIs vs Snapchat Ads API](https://www.anchorterminal.com/compare/linkedin-marketing-api-vs-snapchat-ads.md)
- [LinkedIn Marketing APIs vs X Ads API](https://www.anchorterminal.com/compare/linkedin-marketing-api-vs-x-ads.md)
- [FetchIQ vs Google Ads API](https://www.anchorterminal.com/compare/fetchiq-vs-google-ads-api.md)
- [FetchIQ vs Meta Marketing API](https://www.anchorterminal.com/compare/fetchiq-vs-meta-marketing-api.md)
- [FetchIQ vs Microsoft Advertising API](https://www.anchorterminal.com/compare/fetchiq-vs-microsoft-advertising-api.md)
- [FetchIQ vs Snapchat Ads API](https://www.anchorterminal.com/compare/fetchiq-vs-snapchat-ads.md)
- [FetchIQ vs X Ads API](https://www.anchorterminal.com/compare/fetchiq-vs-x-ads.md)

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