Side by side
Alpha Vantage vs OpenCorporates
Both stand on apis data services. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan
Visit Alpha Vantage Free plan APIWeb
OpenCorporates combines a broad company dataset with API, bulk delivery and OpenRefine reconciliation options. Its Essentials plan has a defined call limit, while organizations needing more capacity can review higher tiers or Enterprise pricing.
Visit OpenCorporatesThe facts
| Alpha Vantage | OpenCorporates | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Not published | API, Web |
| Lowest paid plan | Not published | See the plans |
| Plans published | None | 4 |
| Maker | Not published | OpenCorporates |
| Website | alphavantage.co | opencorporates.com |
| On apis data services | #6 of 18 | #2 of 18 |
Alpha Vantage: what it does well
OpenCorporates: what it does well
- Records cover more than 200 million companies in 140 jurisdictions.
- API returns results in JSON or XML.
- Bulk delivery supports selected jurisdictions and delivery frequency.
- OpenRefine users can reconcile names with legal entities.
- Listed ISO/IEC 27001:2022 and ISO/IEC 27701:2025 certifications.
What to know first
- Essentials is £2,250/year.
- No free trial is listed.
- SOC 2 attestation is not held.
- Essentials allows up to 500 API calls monthly.
Alternatives to Alpha Vantage Alternatives to OpenCorporates The whole list