Side by side
Google Maps Platform Address Validation API 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.
Choose Google Maps Platform Address Validation API when an application needs address validation, mailing standardization, or deliverability information. Check the coverage table and data policies for the countries and workflows involved. Its listed paid tiers begin at $17 a month, with different free monthly request caps and first paid volume tiers.
Visit Google Maps Platform Address Validation APIOpenCorporates 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
| Google Maps Platform Address Validation API | OpenCorporates | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Web | API, Web |
| Lowest paid plan | See the plans | See the plans |
| Plans published | 2 | 4 |
| Maker | Not published | OpenCorporates |
| Website | developers.google.com | opencorporates.com |
| On apis data services | #1 of 18 | #2 of 18 |
Google Maps Platform Address Validation API: what it does well
- Returns parsed address components, a geocode, and a deliverability verdict.
- Supports batch validation and address standardization.
- Optional USPS CASS processing is available for US and Puerto Rico addresses.
- Documented client libraries cover Java, Go, Node.js, Python, and .NET.
What to know first
- Address autocomplete is not included.
- Coverage and address data quality vary by country.
- Policies generally restrict pre-fetching, caching, and storing results.
- Map display requires a Google Map and Google attribution.
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 Google Maps Platform Address Validation API Alternatives to OpenCorporates The whole list