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Anonymous
Not applicable

HTTP: multipart/form-data

Hi!

 

I’ve started my deepdive into OpenAI and Power Platform and made some good solutions for integrering with both text- and chat completion, through a custom connector with different suitable actions. Works GREAT!

 

I’ve glanced at their Whisper-model, and want to make use of speech-to-text-functionality in Power Platform. Just for fun, at least now to begin with.

 

Where I struggle; the content-type for the api-call is multipart/form-data, so I find i a bit challenging getting the body correct. Works great in Postman, but in Power Automate it’s a no-no.

 

Anyone looked into it and able to point me in the right direction?

 

Here’s the curl in raw format:

 

curl https://api.openai.com/v1/audio/transcriptions \
-X POST \
-H 'Authorization: Bearer TOKEN' \
-H 'Content-Type: multipart/form-data' \
-F file=@/path/to/file/audio.mp3 \
-F model=whisper-1

 

 

6 REPLIES 6
v-xiaochen-msft
Community Support
Community Support

Hi @Anonymous ,

 

Please take a look at this nice blog.

https://willpage.dev/2019/12/20/using-the-http-action-to-post-multipart-form-data-in-power-automate-logic-apps/

Does it help?

 

Best Regards,

Wearsky

Feel's like I'm getting closer, but still no luck 😞

Tried to set up a flow that triggers on HTTP-request, and sent a request to the generated URL from Postman. 

Getting a nicely formatted body from the output. Tried to switch the decoded value from the file content in the output with the help of the Get File Content-action (OneDrive for Business), but still no luck. Here's a screenshot of my request body:

 

 

Archit94
Frequent Visitor

Hello @Anonymous , 

Finally do you found any solution for same ? If  yes please share.

Holmer
New Member

Esto debería ayudar:

Holmer_0-1718291296044.png

 

Tengo un problema al intentar enviar un archivo adjunto desde un correo electrónico a la API de OpenAI usando Power Automate.

Cuando el archivo adjunto es texto plano, funciona bien, pero cuando el archivo es de otro tipo, como un PDF, aunque se sube a OpenAI, el archivo resulta corrupto.

He intentado agregar "Content-Type": "application/octet-stream" y "Content-Transfer-Encoding": "base64" en los headers del archivo adjunto en la solicitud HTTP multipart/form-data, pero sigue sin funcionar. Parece que al adjuntar el archivo al cuerpo de la petición HTTP, quedan unos caracteres especiales que lo corrompen.

¿Tienes alguna idea de dónde podría estar el problema o qué más debería revisar para asegurar que los archivos se envíen correctamente sin corromperse?

Desde ya, muchas gracias.

{ "$content-type": "multipart/form-data", "$multipart": [ { "headers": { "Content-Disposition": "form-data; name=\"file\"; filename=\"@{outputs('Obtener_Adjunto')?['body/name']}\"", "Content-Type": "application/octet-stream", "Content-Transfer-Encoding": "base64" }, "body": "@{outputs('Obtener_Adjunto')?['body/contentType']}" }, { "headers": { "Content-Disposition": "form-data; name=\"purpose\"" }, "body": "@{variables('Purpose')}" } ] }

 

 

Hi! I'm literally struggling with the same thing. Any fixes? 

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