diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 012e8d75e..86a4436ee 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -21,6 +21,7 @@ jobs:
     runs-on: ubuntu-18.04
     outputs:
       env-name: ${{ steps.deploy-env.outputs.name }}
+      api_url: ${{ steps.base-urls.outputs.api }}
       fr_url: ${{ steps.base-urls.outputs.fr }}
       en_url: ${{ steps.base-urls.outputs.en }}
     steps:
@@ -28,12 +29,14 @@ jobs:
         run: echo "::set-output name=name::${{ github.event.number || '${GITHUB_REF#refs/*/}' }}"
       - id: base-urls
         run:
+          echo "::set-output name=api::${{ steps.deploy-env.outputs.name == 'master' && 'https://mon-entreprise-api.osc-fr1.scalingo.io' || format('https://mon-entreprise-api-pr{0}.osc-fr1.scalingo.io', steps.deploy-env.outputs.name) }}";
           echo "::set-output name=fr::${{ steps.deploy-env.outputs.name == 'master' && 'https://mon-entreprise.urssaf.fr' || format('https://{0}--mon-entreprise.netlify.app', steps.deploy-env.outputs.name) }}";
           echo "::set-output name=en::${{ steps.deploy-env.outputs.name == 'master' && 'https://mycompanyinfrance.urssaf.fr' || format('https://{0}-en--mon-entreprise.netlify.app', steps.deploy-env.outputs.name) }}";
 
   build:
     needs: deploy-context
     env:
+      API_BASE_URL: ${{ needs.deploy-context.outputs.api_url }}
       VITE_FR_BASE_URL: ${{ needs.deploy-context.outputs.fr_url }}
       VITE_EN_BASE_URL: ${{ needs.deploy-context.outputs.en_url }}
     runs-on: ubuntu-18.04
@@ -62,6 +65,7 @@ jobs:
           yarn workspace site build:prerender
       - name: Replace site placeholders in netlify.toml redirection file
         run: |
+          sed -i "s|:API_URL|$API_BASE_URL|g" site/netlify.toml;
           sed -i "s|:SITE_FR|$VITE_FR_BASE_URL|g" site/netlify.toml;
           sed -i "s|:SITE_EN|$VITE_EN_BASE_URL|g" site/netlify.toml;
       - name: Update Algolia index
diff --git a/api/package.json b/api/package.json
index ead3aff85..5375f3b4f 100644
--- a/api/package.json
+++ b/api/package.json
@@ -17,7 +17,7 @@
 		"validate": "yarn swagger-cli validate ./source/openapi.yaml",
 		"postinstall": "yarn build:openapi",
 		"start": "yarn clean && yarn build:watch & wait-on ./dist && nodemon -d 1s ./dist/",
-		"start:prod": "nodemon -d 500ms -w ./dist/index.js -x 'node ./dist/index.js || touch ./dist/index.js'",
+		"start:prod": "NODE_ENV=production nodemon -d 500ms -w ./dist/index.js -x 'node ./dist/index.js || touch ./dist/index.js'",
 		"build": "yarn build:openapi && yarn build:ts",
 		"build:watch": "yarn build:openapi:watch & yarn wait:openapi && yarn build:ts:watch",
 		"build:ts": "tsc",
diff --git a/site/netlify.toml b/site/netlify.toml
index 31aedbba1..71eee1eb2 100644
--- a/site/netlify.toml
+++ b/site/netlify.toml
@@ -1,12 +1,12 @@
 [[headers]]
 for = "/*"
 [headers.values]
-Content-Security-Policy = "default-src 'self' mon-entreprise.fr; style-src 'self' 'unsafe-inline' mon-entreprise.zammad.com; connect-src 'self' *.incubateur.net raw.githubusercontent.com tm.urssaf.fr mon-entreprise.zammad.com api.recherche-entreprises.fabrique.social.gouv.fr geo.api.gouv.fr *.algolia.net *.algolianet.com; form-action 'self' *.sibforms.com *.incubateur.net mon-entreprise.zammad.com; script-src 'self' 'unsafe-inline' 'unsafe-eval' tm.urssaf.fr *.incubateur.net stonly.com code.jquery.com mon-entreprise.zammad.com polyfill.io; img-src 'self' data: tm.urssaf.fr user-images.githubusercontent.com; frame-src 'self' https://www.youtube-nocookie.com https://codesandbox.io https://place-des-entreprises.beta.gouv.fr https://reso-staging.osc-fr1.scalingo.io"
+Content-Security-Policy = "default-src 'self' mon-entreprise.fr; style-src 'self' 'unsafe-inline' mon-entreprise.zammad.com; connect-src 'self' *.incubateur.net raw.githubusercontent.com tm.urssaf.fr mon-entreprise.zammad.com api.recherche-entreprises.fabrique.social.gouv.fr geo.api.gouv.fr *.algolia.net *.algolianet.com; form-action 'self' *.sibforms.com *.incubateur.net mon-entreprise.zammad.com; script-src 'self' 'unsafe-inline' 'unsafe-eval' tm.urssaf.fr *.incubateur.net stonly.com code.jquery.com mon-entreprise.zammad.com polyfill.io; img-src 'self' data: tm.urssaf.fr user-images.githubusercontent.com; frame-src 'self' https://www.youtube-nocookie.com https://codesandbox.io https://place-des-entreprises.beta.gouv.fr https://reso-staging.osc-fr1.scalingo.io https://stackblitz.com"
 
 ## Scalingo proxy for API
 [[redirects]]
   from = "/api/*"
-  to = "https://mon-entreprise-api.osc-fr1.scalingo.io/api/:splat"
+  to = ":API_URL/api/:splat"
   status = 200
 
 ## Twemoji proxy for client privacy #1219
diff --git a/site/package.json b/site/package.json
index da24c6231..6c4b27d7b 100644
--- a/site/package.json
+++ b/site/package.json
@@ -27,8 +27,8 @@
 		"build:prerender": "node prerender.cjs",
 		"build:iframe-script": "NODE_OPTIONS='--max-old-space-size=4096'; vite build --config vite-iframe-script.config.ts",
 		"build:preview": "VITE_FR_BASE_URL=http://localhost:8888; VITE_EN_BASE_URL=http://localhost:8889; yarn build && yarn build:ssr && yarn build:prerender",
-		"preview:mon-entreprise": "sed 's|:SITE_FR||g' netlify.toml > dist/netlify.toml && cd dist && npx netlify-cli dev -p 8888",
-		"preview:infrance": "sed 's|:SITE_EN||g' netlify.toml > dist/netlify.toml && cd dist && npx netlify-cli dev -p 8889",
+		"preview:mon-entreprise": "sed 's|:SITE_FR||g' netlify.toml | sed 's|:API_URL|http://localhost:3004|g' > dist/netlify.toml && cd dist && npx netlify-cli dev -d ./ -p 8888",
+		"preview:infrance": "sed 's|:SITE_EN||g' | sed 's|:API_URL|http://localhost:3004|g' netlify.toml > dist/netlify.toml && cd dist && npx netlify-cli dev -d ./ -p 8889",
 		"typecheck:watch": "tsc --skipLibCheck --noEmit --watch",
 		"test": "vitest",
 		"test:dev-e2e:mon-entreprise": "cypress open --browser chromium",