Datacircle lists all the GTM APIsCompany headcount API benchmark
We called each provider once on the same 20 companies, on 20 October 2026. Time is each call minus a baseline, so the distance to the provider's servers drops out.
| API | Score | Headcounts checked | Time per company | The headcount call | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Provider | Data score | Performance score | Right count | Another count | No count | Median | 10th percentile | 90th percentile | Fastest | Slowest | Baseline | Call | Charged per company |
| Up2Data | 95 | 4 | 19 of 20 | 1 of 20 | 0 of 20 | 2.55 s | 1.70 s | 4.31 s | 1.35 s | 4.65 s | 0.37 s | POST api.up2data.ai/v1/companies/headcount | $0.009, found or not |
| The Swarm | 45 | 100 | 9 of 20 | 2 of 20 | 9 of 20 | 0.01 s | 0.00 s | 0.04 s | 0.00 s | 0.09 s | 0.22 s | POST bee.theswarm.com/v3/companies/fetch | $0.099, nothing when not found |