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Unable to connect to Microsoft Planetary Computer STAC API

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03-05-2025 01:05 AM
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Fahad_Dalbouh
Emerging Contributor

Hi Rohan and David,

@RohanGanapathy  @DavidWright

I followed your instructions on the blog regarding STAC (https://www.esri.com/arcgis-blog/products/arcgis-pro/imagery/introduction-to-the-stac-ui-in-arcgis-p... ). I am unable to connect to a STAC API using the default Microsoft Planetary Computer STAC API or any other resources. I keep getting the below error:

Failed to retrieve collections from C:\Users\xyzxyz\Documents\WorkArea\ArcPro_Projects\STAC API\MyProject\xyzx.astac. The proxy tunnel request to proxy 'http://beyond.xyzx.com.xy:9090/' failed with status code '407'."

 

can you please point out how can i resolve this issue.

 

Thanks in advance

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Youssef-Harby
Emerging Contributor

Hey @Fahad_Dalbouh, you're actually the reason I looked deeper into this issue! Thanks again for reaching out on WhatsApp and bringing it to my attention 🙌

To make things easier for everyone working with Microsoft Planetary Computer STAC in ArcGIS Pro, I ended up building a lightweight proxy that handles SAS tokens, signs URLs, and avoids CORS issues .. all automatically.

You don’t need to worry about ACS files or token vending manually — just run the proxy and connect your ArcGIS Pro file to http://localhost:8080/api/stac/v1/.

I made a quick video to show how it works: https://youtu.be/CeIfDvK1F2U
And here’s the GitHub repo: https://github.com/Youssef-Harby/ms-stac-proxy

Would love your feedback if you get the chance to try it!

https://www.linkedin.com/in/youssef-harby/
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شرح سريع بيوضح إزاي تستخدم الـ STAC Proxy البسيط بتاعي عشان توصل ArcGIS Pro بـ Microsoft Planetary Computer، بدون الحاجة لإضافة SAS tokens يدويًا ولا مشاكل CORS، مجرد توصيل واشتغل على طول. رابط التحميل: https://github.com/Youssef-Harby/ms-stac-proxy/releases STAC (SpatioTemporal Asset Catalog) هو
شرح سريع بيوضح إزاي تستخدم الـ STAC Proxy البسيط بتاعي عشان توصل ArcGIS Pro بـ Microsoft Planetary Computer، بدون الحاجة لإضافة SAS tokens يدويًا ولا مشاكل CORS، مجرد توصيل واشتغل على طول. رابط التحميل: https://github.com/Youssef-Harby/ms-stac-proxy/releases STAC (SpatioTemporal Asset Catalog) هو
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