ClinicalTrials.gov API
government & registries2 endpoints for public ClinicalTrials.gov data. Send your key in x-api-key; you pay for calls that run, and errors on our side are free. ClinicalTrials.gov API overview, examples and prices →
| endpoint | what it returns | parameters | cost | actions |
|---|---|---|---|---|
| GET/clinicaltrials/ | Clinical trial search | 32 optional | 1 cr | docstry |
| GET/clinicaltrials/ | Clinical trial record | nct_id +1 optional | 1 cr | docstry |