Free APIVision & SpeechAPI keyOfficial
Clarifai
1,000 free operations a month on a deep catalogue of pretrained vision models
Clarifai is a full AI platform whose API exposes pretrained models for image and video recognition, object detection, face detection, OCR, NSFW moderation and embeddings, plus custom model training. You call a model by owner/app/model id and pass image bytes or a URL. The Community plan includes a recurring monthly free allowance.
Free tier
Community plan: 1,000 free operations/month (email-verified); Essential from $30/mo, Professional $300/moRate limits
Throughput tied to plan; specific per-second limits not publishedAuth
API keyBase URL
https://api.clarifai.comWhat you'd build with it
- Tag and concept-classify images with a pretrained model
- Run NSFW/moderation checks on user uploads
- Generate image embeddings for visual similarity search
Key endpoints
- POST
/v2/users/{user_id}/apps/{app_id}/models/{model_id}/outputsRun a model (e.g. clarifai/main general-image-recognition) on an image - POST
/v2/inputsAdd inputs (images/text) to an app for indexing or training
Members
Members get the runnable recipe
Sign in free to copy the example request, see a sample response, and read the gotchas.
Tags
visionimage-recognitionmoderationembeddingsocr