Datacircle lists all the GTM APIsLinkedIn post reactions API benchmark
We called each provider's calls once on the same 20 posts, on 20 October 2026. Time is each call minus a baseline, so the distance to the provider's servers drops out.
| API | Score | Time per post | Posts | Reactions checked | The post reactions call | Each reaction | Who reacted | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Provider | Data score | Performance score | Median | 10th percentile | 90th percentile | Fastest | Slowest | Baseline | Called | Found | Parts returned | Reactions | Reaction count | Call | Charged per post | Reaction type | Name | LinkedIn URL | Public name | Reactor ID | Headline | Picture |
| Fetchin, Get Post Reactions | 100 | 100 | 0.47 s | 0.37 s | 3.51 s | 0.34 s | 3.80 s | 0.27 s | 20 of 20 | 20 of 20 | 9 of 9 | 199 of 200 | 20 of 20 | GET api.fetchin.io/api/v1/post/reactions?count=10 | $0.001 | 199 of 200 | 199 of 200 | 199 of 200 | 199 of 199 | 199 of 200 | 199 of 200 | 160 of 160 |
| Fetchin, Get Post Engagement | 100 | 64 | 0.73 s | 0.45 s | 2.97 s | 0.22 s | 4.17 s | 0.27 s | 20 of 20 | 20 of 20 | 9 of 9 | 199 of 200 | 20 of 20 | GET api.fetchin.io/api/v1/post/engagement?reactionCount=10 | $0.002 | 199 of 200 | 199 of 200 | 199 of 200 | 199 of 199 | 199 of 200 | 199 of 200 | 160 of 160 |
| HarvestAPI | 89 | 15 | 3.08 s | 2.44 s | 3.91 s | 2.25 s | 4.30 s | 0.49 s | 20 of 20 | 20 of 20 | 9 of 9 | 200 of 200 | 20 of 20 | GET api.harvest-api.com/linkedin/post-reactions | $0.0023 | 200 of 200 | 200 of 200 | 200 of 200 | 1 of 199 | 200 of 200 | 200 of 200 | 159 of 160 |
| treg | 100 | 38 | 1.24 s | 0.79 s | 3.61 s | 0.69 s | 4.26 s | 0.26 s | 20 of 20 | 20 of 20 | 9 of 9 | 199 of 200 | 20 of 20 | POST treg.to/call/treg.linkedin.post.reactions limit 10 | $0, on our own Fetchin key ($0.001 at Fetchin) | 199 of 200 | 199 of 200 | 199 of 200 | 199 of 199 | 199 of 200 | 199 of 200 | 160 of 160 |
| Up2Data | 78 | 26 | 1.79 s | 1.54 s | 2.36 s | 1.29 s | 2.71 s | 0.38 s | 20 of 20 | 20 of 20 | 8 of 9 | 199 of 200 | 20 of 20 | POST api.up2data.ai/v1/posts/engagement/reactions per_page 10 | $0.09 for 10 reactions, 1 credit a reaction | 199 of 200 | 199 of 200 | 199 of 200 | 1 of 199 | 199 of 200 | 199 of 200 | Not in the answer |