All free APIs
Free APIVision & SpeechAPI keyOfficial

Azure AI Vision

Free F0 tier: 5,000 OCR/analysis transactions a month with no credit consumed

Azure AI Vision (part of Azure AI Foundry / Cognitive Services) provides image analysis, the Read OCR engine for printed and handwritten text, dense captioning, object detection and background removal. The standalone free F0 pricing tier gives a recurring monthly transaction allowance for development and light workloads.

Free tier

Free F0 tier: 5,000 transactions/month; then S1 from ~$1/1,000 (volume-tiered) for OCR/analysis

Rate limits

F0 capped at 20 transactions/minute (per subscription)

Auth

API key

Base URL

https://{your-resource}.cognitiveservices.azure.com

What you'd build with it

  • Extract handwritten and printed text from forms with the Read engine
  • Generate dense captions and tags for image search
  • Run lightweight image moderation/object detection in an automation

Key endpoints

  • POST/computervision/imageanalysis:analyzeAnalyze an image for read (OCR), caption, tags, objects and more (v4 API)
  • POST/vision/v3.2/read/analyzeSubmit an image/PDF to the async Read OCR engine
Members

Members get the runnable recipe

Sign in free to copy the example request, see a sample response, and read the gotchas.

Tags

ocrvisionimage-analysisazuremoderation