Sonar returns 400 when receiving image inputs

hieutrungmc
Sat, 13 Dec 2025 01:41:01 +0000
General

Hi there! As of right now I am using Sonar for my school project, and the demo was a bit… failed because the Sonar API is constantly returning 400 error on any image url inputs.

Payload:

{
      "search_mode": "web",
      "temperature": 0.2,
      "top_p": 0.9,
      "return_images": false,
      "return_related_questions": false,
      "top_k": 0,
      "stream": false,
      "presence_penalty": 0,
      "frequency_penalty": 0,
      "disable_search": false,
      "enable_search_classifier": false,
      "web_search_options": {
        "image_search_relevance_enhanced": false
      },
      "model": "sonar",
      "messages": [
        {
          "role": "system",
          "content": `You are a food analyzer that analyzes the foods from an image and calculate the calories of the meal in 4 factors: "protein, fiber, fat, starch" (numbers, in grams), then calculate the total calories (in kcal) of this meal.
Return the result as json in this format: {mealname, protein , fiber, fat, starch, calories} in ONE LINER.
If the image doesn't contain food, make all values 0 and return the mealname "Invalid". Just the JSON.`
        },
        {
          "role": "user",
          "content": [
            { "type": "image_url", "image_url": { "url": imageUrl } },
            { "type": "text", "text": "Here's the attached image link" }
          ]
        }
      ]
    };

Response:

{
  "error": {
    "message": "Failed to load image. Please ensure the image URL is valid and accessible.",
    "type": "invalid_image",
    "code": 400
  }
}

Removing the image_url part will make it run normally, but since my use case requires giving an image to the system to analyze.

I think it happened today because I was testing it normally yesterday, I hope the Perplexity Team should look into this and have a quick fix on this.

Thank you.

3 posts - 2 participants