diff --git a/README.md b/README.md
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+++ b/README.md
@@ -664,6 +664,7 @@ API | Description | Auth | HTTPS | CORS |
 | [AirVisual](https://airvisual.com/api) | Air quality and weather data | `apiKey` | Yes | Unknown |
 | [BreezoMeter Pollen](https://docs.breezometer.com/api-documentation/pollen-api/v2/) | Daily Forecast pollen conditions data for a specific location | `apiKey` | Yes | Unknown |
 | [Carbon Interface](https://docs.carboninterface.com/) | API to calculate carbon (C02) emissions estimates for common C02 emitting activities | `apiKey` | Yes | Yes |
+| [Climatiq](https://docs.climatiq.io) | Calculate the environmental footprint created by a broad range of emission-generating activities | `apiKey` | Yes | Yes |
 | [Cloverly](https://www.cloverly.com/carbon-offset-documentation) | API calculates the impact of common carbon-intensive activities in real time | `apiKey` | Yes | Unknown |
 | [CO2 Offset](https://co2offset.io/api.html) | API calculates and validates the carbon footprint | No | Yes | Unknown |
 | [Danish data service Energi](https://www.energidataservice.dk/) | Open energy data from Energinet to society | No | Yes | Unknown |