diff --git a/.github/workflows/blog.yaml b/.github/workflows/blog.yaml
index d6f100ab0..4b23a4ead 100644
--- a/.github/workflows/blog.yaml
+++ b/.github/workflows/blog.yaml
@@ -46,6 +46,8 @@ jobs:
             ${{ runner.os }}-blogdown2-${{ hashFiles('environment.yml') }}-
             ${{ runner.os }}-blogdown2-
       - name: Build site
+        env:
+          API_KEY: ${{ secrets.DELPHI_GITHUB_ACTIONS_EPIDATA_API_KEY }}
         run: |
           npm run build:blog
       - uses: actions/upload-artifact@v3
diff --git a/content/blog/2020-08-26-fb-survey.Rmd b/content/blog/2020-08-26-fb-survey.Rmd
index eab3f82d5..598ba02cc 100644
--- a/content/blog/2020-08-26-fb-survey.Rmd
+++ b/content/blog/2020-08-26-fb-survey.Rmd
@@ -48,7 +48,7 @@ output:
 ---
 
 ```{r, echo=FALSE}
-options(covidcast.auth = "9328d11cfe46d") # Minh's key
+options(covidcast.auth = Sys.getenv("API_KEY"))
 ```
 
 Since April 2020, in collaboration with Facebook,
diff --git a/content/blog/2020-10-06-survey-wave-4.Rmd b/content/blog/2020-10-06-survey-wave-4.Rmd
index 5243dc136..daa9df4d2 100644
--- a/content/blog/2020-10-06-survey-wave-4.Rmd
+++ b/content/blog/2020-10-06-survey-wave-4.Rmd
@@ -31,7 +31,7 @@ output:
     toc: true
 ---
 ```{r, echo=FALSE}
-options(covidcast.auth = "9328d11cfe46d") # Minh's key
+options(covidcast.auth = Sys.getenv("API_KEY"))
 ```
 Beginning in early April 2020, the `r blogdown::shortcode_html("reflink", "/", "Delphi group")` has
 conducted a major survey to track COVID-19 across the United States. With the
diff --git a/content/blog/2020-10-14-dv-signal.Rmd b/content/blog/2020-10-14-dv-signal.Rmd
index 50681d896..4b33409fb 100644
--- a/content/blog/2020-10-14-dv-signal.Rmd
+++ b/content/blog/2020-10-14-dv-signal.Rmd
@@ -75,7 +75,7 @@ library(covidcast)
 library(dplyr)
 library(ggplot2)
 library(gridExtra)
-options(covidcast.auth = "9328d11cfe46d") # Minh's key
+options(covidcast.auth = Sys.getenv("API_KEY"))
 
 # Fetch DV % CLI signal and USAFacts confirmed case incidence proportion at
 # the state level
diff --git a/content/blog/2020-12-10-masks-public.Rmd b/content/blog/2020-12-10-masks-public.Rmd
index eb51e4d26..e98b0825e 100644
--- a/content/blog/2020-12-10-masks-public.Rmd
+++ b/content/blog/2020-12-10-masks-public.Rmd
@@ -22,7 +22,7 @@ output:
 ---
 
 ```{r, echo=FALSE}
-options(covidcast.auth = "9328d11cfe46d") # Minh's key
+options(covidcast.auth = Sys.getenv("API_KEY"))
 ```
 
 As COVID cases and deaths continue to rise in the United States, we are
diff --git a/content/blog/2021-01-15-causal-effect-mobility.Rmd b/content/blog/2021-01-15-causal-effect-mobility.Rmd
index 4b13265ac..12693f77b 100644
--- a/content/blog/2021-01-15-causal-effect-mobility.Rmd
+++ b/content/blog/2021-01-15-causal-effect-mobility.Rmd
@@ -28,7 +28,7 @@ output:
 ---
 
 ```{r, echo=FALSE}
-options(covidcast.auth = "9328d11cfe46d") # Minh's key
+options(covidcast.auth = Sys.getenv("API_KEY"))
 ```
 
 ```{r setup, include=FALSE}
diff --git a/content/blog/2021-01-22-holiday-surveys.Rmd b/content/blog/2021-01-22-holiday-surveys.Rmd
index e6d44a4bc..630aabb92 100644
--- a/content/blog/2021-01-22-holiday-surveys.Rmd
+++ b/content/blog/2021-01-22-holiday-surveys.Rmd
@@ -30,7 +30,7 @@ output:
     toc: true
 ---
 ```{r, echo=FALSE}
-options(covidcast.auth = "9328d11cfe46d") # Minh's key
+options(covidcast.auth = Sys.getenv("API_KEY"))
 ```
 With pandemic fatigue setting in across the United States after a long year
 filled with uncertainty, many felt the temptation to celebrate a “normal”