Sightengine

APIs to moderate and analyze images, video, text, and audio

About Sightengine

Sightengine provides APIs that automatically moderate images, video, text, and audio, detect AI-generated media and deepfakes, extract text with OCR, assess image quality, and verify profile photos or face liveness. Developers integrate a few lines of code to build scalable trust-and-safety pipelines. It suits platforms, marketplaces, and apps that must review large volumes of user content quickly and consistently.

Sightengine website preview

Live preview of sightengine.com via the WordPress mShots service — it can take a few seconds to generate on a first visit.

Sightengine: strengths & things to check

Strengths

Free tier available — you can start without paying (freemium model).
Covers content moderation, api, image analysis, ai detection — see the focus areas listed in its key facts.
Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

The full feature set sits behind a paid plan — check which limits the free tier carries on the official site before committing.
Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
It is one of 1164 tools in the Developer Tools category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

Sightengine pricing

Pricing model	Freemium — a free tier lets you start, and paid plans are available if you need more.
Free access	Yes — free tier, paid upgrades available
Current plan prices	Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official site	sightengine.com

Sightengine key facts

Category: Developer Tools
Pricing: Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas: content moderation, api, image analysis, ai detection
Official site: sightengine.com

Sightengine FAQ

How much does Sightengine cost?

Freemium — a free tier lets you start, and paid plans are available if you need more. Current plans and prices are listed on the official site (sightengine.com).

What is Sightengine used for?

APIs to moderate and analyze images, video, text, and audio Its focus areas in the Developer Tools category: content moderation, api, image analysis, ai detection.

Where can I try Sightengine?

On its official site, sightengine.com — the Visit Official Site button above goes straight there.

Sightengine vs alternatives

	Sightengine	SpamCheck.ai	Action1	Agentset
Pricing	Freemium — a free tier lets you start, and paid plans are available if you need more.	Paid — this directory does not list a free tier for it.	Freemium — a free tier lets you start, and paid plans are available if you need more.	Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas	content moderation, api, image analysis, ai detection	spam detection, api, email validation, content moderation	monitoring, deployment, api, infrastructure	rag, open source, document search, api
Official site	sightengine.com	spamcheck.ai	action1.com	agentset.ai
Directory status	Listed	Listed	Listed	Listed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Developer Tools category

Editors, platforms, and services developers rely on to build and ship software. The Developer Tools category on Tools Hub currently lists 1164 tools. Alongside Sightengine, it includes Cockpit, Zot, Weblate, Zoraxy.

FreemiumDeveloper Toolscontent-moderationapiimage-analysisai-detection

Alternatives to Sightengine

Tools in the same Developer Tools category that share focus areas with Sightengine — worth comparing before you commit:

Developer Tools

SpamCheck.ai

API that scores spam in content, emails, IPs and URLs

Paidspam-detectionapiemail-validationcontent-moderation

Developer Tools

Action1

Developer infrastructure, handled

Freemiummonitoringdeploymentapiinfrastructure

Developer Tools

Agentset

Open-source RAG platform with built-in citations and deep research

Freemiumragopen sourcedocument searchapi

Developer Tools

Amgix

Open-source hybrid search system behind a single REST API.

Freesearchembeddingsapihybrid-search

Developer Tools

AppSheet

Lets businesses create no-code apps from spreadsheets and databases for field.

Freemiumdeveloper-toolsapisaascloud

Developer Tools

Artillery

Load testing toolkit for APIs and services

Freemiumload-testingapiopen-source

More in Developer Tools

Comparing tools in the Developer Tools category? These related listings are worth a look: Cockpit — Self-hosted, API-first headless CMS with an open-source MIT core; Zot — Production-ready, vendor-neutral OCI-native container image registry; Weblate — Open-source localization platform connected directly to your code repository.