kitio.aiAdded Oct 28, 2026
api4.ai
FreemiumCloud computer vision APIs for OCR, moderation and detection
What is api4.ai?
api4.ai sells ready-made image processing APIs, including background removal, OCR, NSFW moderation, and face, logo and object detection. Developers add them to apps on pay-as-you-go pricing, with $5 of free usage to start.
Example uses include counting and analysing visitors in public spaces, recognising wine labels in a product app, checking brand visibility for marketing and detecting items on a production line for quality control.
Beyond the off-the-shelf APIs, the team builds custom computer vision and machine learning solutions for businesses. Documentation is available for each API.
Features
- Background removal API
- OCR
- NSFW content moderation
- Face and logo detection
- Object detection
- Custom vision models
Tags
Releases
+ Submit new release- Listed
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Organization
api4.ai
Listed by kitio.ai · unverified owner
Pricing
- Pricing model
- Freemium
- Paid options from
- Not listed
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Pros and cons
Pros
- Many vision tasks behind one provider
- Pay only for what you use
- $5 free credit to start
Cons
- Per-call prices not on the homepage
- Developer integration required
- Custom work needs a sales conversation
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Q&A
What is api4.ai?
api4.ai sells ready-made image processing APIs, including background removal, OCR, NSFW moderation, and face, logo and object detection. Developers add them to apps on pay-as-you-go pricing, with $5 of free usage to start.
How do I start using api4.ai?
Sign up for pay-as-you-go access and use the $5 free credit to test the APIs before paying.
Can api4.ai build a custom model?
Yes. Besides its catalogue of APIs, the team offers personalised computer vision and ML solutions.
How much does api4.ai cost?
api4.ai is freemium.
Is there a free version of api4.ai?
Yes. api4.ai has a free plan, and paid plans add more usage and features.
What are the main features of api4.ai?
Background removal API, OCR, NSFW content moderation, Face and logo detection, Object detection, Custom vision models.
Who makes api4.ai?
api4.ai is made by api4.ai.
What are the best alternatives to api4.ai?
Popular alternatives include Custom Vision, Epigos AI, Deepengin.