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Update Foundry Local CORS proxy endpoint #842

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Update Foundry Local CORS proxy endpoint #842

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b583527
Update Foundry CORS proxy endpoint to foundry-cors-proxy
MaanavD Jun 23, 2026
3e72272
Retrigger Vercel deployment
MaanavD Jun 25, 2026
49c43e7
Fix models page CORS by avoiding preflight on proxy request
MaanavD Jun 25, 2026
2b24086
Update Foundry Local CORS proxy endpoint
MaanavD Jun 25, 2026
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2 changes: 1 addition & 1 deletion www/.env.example
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@

# Public API Endpoint (already configured in code)
# This is the Azure Function proxy endpoint for CORS
# PUBLIC_FOUNDRY_API_ENDPOINT=https://onnxruntime-foundry-proxy-hpape7gzf2haesef.eastus-01.azurewebsites.net/api/foundryproxy
# PUBLIC_FOUNDRY_API_ENDPOINT=https://foundry-local-cors-proxy.azurewebsites.net/api/foundryproxy

# Build-time variables
# NODE_ENV=production
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12 changes: 10 additions & 2 deletions www/src/routes/models/service.ts
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Expand Up @@ -15,7 +15,7 @@ import type { FoundryModel, GroupedFoundryModel } from './types';

// Azure Function endpoint for CORS proxy
const FOUNDRY_API_ENDPOINT =
'https://onnxruntime-foundry-proxy-hpape7gzf2haesef.eastus-01.azurewebsites.net/api/foundryproxy';
'https://foundry-local-cors-proxy.azurewebsites.net/api/foundryproxy';

export interface ApiFilters {
device?: string;
Expand Down Expand Up @@ -276,10 +276,18 @@ export class FoundryModelService {
const requestBody = this.buildRequestBody(device, executionProvider, skip, continuationToken);

try {
// NOTE: Content-Type is intentionally "text/plain" (not "application/json").
// This keeps the request a CORS "simple request" so the browser does NOT
// send a preflight OPTIONS. The Azure Functions host intercepts preflight
// OPTIONS before our proxy code runs and returns 204 with no
// Access-Control-Allow-Origin header, which fails CORS. The proxy parses the
// body as JSON regardless of Content-Type, so sending text/plain is safe and
// avoids the preflight entirely. Do not change this back to application/json
// unless platform-level CORS is configured on the Function App.
const response = await fetch(FOUNDRY_API_ENDPOINT, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Content-Type': 'text/plain',
Accept: 'application/json'
},
body: JSON.stringify(requestBody)
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