# Docs

## Documentation

- [Overview](https://docs.placekey.io/documentation/welcome/readme.md)
- [Placekey Design](https://docs.placekey.io/documentation/welcome/placekey-design.md)
- [Placekey Types](https://docs.placekey.io/documentation/welcome/placekey-types.md)
- [Authentication](https://docs.placekey.io/documentation/api-overview/authentication.md)
- [Usage Limits](https://docs.placekey.io/documentation/api-overview/usage-limits.md)
- [Error Codes](https://docs.placekey.io/documentation/api-overview/error-codes.md)
- [Supported Countries](https://docs.placekey.io/documentation/api-overview/supported-countries.md)
- [Quick Start](https://docs.placekey.io/documentation/placekey-api/quick-start.md)
- [Input Parameters](https://docs.placekey.io/documentation/placekey-api/input-parameters.md)
- [Minimum Inputs](https://docs.placekey.io/documentation/placekey-api/input-parameters/minimum-inputs.md)
- [Optional Parameters](https://docs.placekey.io/documentation/placekey-api/input-parameters/optional-parameters.md)
- [Response](https://docs.placekey.io/documentation/placekey-api/response.md)
- [Optional Responses](https://docs.placekey.io/documentation/placekey-api/response/optional-responses.md)
- [Bulk API](https://docs.placekey.io/documentation/placekey-api/bulk-api.md)
- [Example Queries](https://docs.placekey.io/documentation/placekey-api/example-queries.md)
- [Python](https://docs.placekey.io/documentation/libraries/python.md)