I am trying to follow this steps given in api documentations File Inputs page (Cant include link) My Code: { “uri”: “/v1/chat/completions”, “method”: “POST”, “headers”: { “Authorization”: “sanitized”, “Content-Type”: “application/json” }, “body”: { “model”: “gpt-4o”, “messages”: [ { “ro…

Here is a request body successfully fulfilled by the API Prompts Playground, including base64 of a PDF as file content part. Chat Completions POST https://api.openai.com/v1/chat/completions { "messages":[ { "role":"user", "content":[ { "type":"text", "…

[image] _j: "file_data": "data:application/pdf;base64,JVBERi0xLjUNJeLjz9MNCjEgMCB..." Thank you very much, I was able to get the pdf working.

I am having the same issue, where I have an error when I use a base64-encoded file in the responses request. Has this solution stopped working? curl "https://api.openai.com/v1/responses" \ -H "Content-Type: application/json" \ -H "Authorization: Bearer {token}" \ -d '{ "model": …

[image] _j: JSON RESTful stuff [image] risafj: Has this solution stopped working? PDF input is still functional with the parameters showing. You can upgrade your curling to a programming language. Here’s Python scripting for the Responses endpoint, and a template-like API call body us…

Base64 file not going through api

API

risafj May 9, 2025, 6:41am 6

You’re right, thanks! It was an issue with curl truncating the base64 string.

Topic		Replies	Views
Error Including Files with base64? API api	4	221	March 25, 2026
File Input API throws error for PDF file which is Base64-encoded Bugs pdf , file-uploads	9	2254	April 8, 2025
Issues with including base64 PDF files in prompt via PHP SDK API	0	276	May 29, 2025
Issue with Native PDF input (Base64) in gpt-4o - Error: invalid 'input[0].content[1].file_data' API file-uploads	1	87	March 27, 2026
Cannot use uploaded file with responses api API	2	798	October 2, 2025

Base64 file not going through api

Related topics