diff --git a/README.md b/README.md
index 3d9fab3..a210baf 100644
--- a/README.md
+++ b/README.md
@@ -65,15 +65,15 @@ The specification is expected to support provider capability discovery instead o
 
 | Provider                                          | API key requested | API key received | API tested | Supported |
 | ------------------------------------------------- | ----------------- | ---------------- | ---------- | --------- |
-| Atmosfair Webservice 5                            |                   |                  |            |           |
-| Google Travel Impact Model (various versions)     |                   |                  |            |           |
-| myclimate Flight Calculator V1 & V2               |                   |                  |            |           |
-| myclimate Bulk Flight Calculator                  |                   |                  |            |           |
-| GoClimate Flight Footprint                        |                   |                  |            |           |
-| C-Level Carbon Balance API                        |                   |                  |            |           |
-| KlimaLink API                                     |                   |                  |            |           |
-| KlimAPI Calculation & Compensation API (v1 & v2)  |                   |                  |            |           |
-| calco2la.to                                       |                   |                  |            |           |
+| Atmosfair Webservice 5                            |     ☒      |                  |            |           |
+| Google Travel Impact Model (various versions)     |     ☒      |                  |            |           |
+| myclimate Flight Calculator V1 & V2               |     ☒      |                  |            |           |
+| myclimate Bulk Flight Calculator                  |     ☒      |                  |            |           |
+| GoClimate Flight Footprint                        |     ☒      |                  |            |           |
+| C-Level Carbon Balance API                        |     ☒      |                  |            |           |
+| KlimaLink API                                     |     ☒      |                  |            |           |
+| KlimAPI Calculation & Compensation API (v1 & v2)  |     ☒      |                  |            |           |
+| calco2la.to                                       |     ☑      |     ☑     |  ☑  | ☑  |
 
 ## License