Can you help me choose a video encoding API for a product that accepts user uploads, needs HLS output, thumbnails, and webhooks, but I don't want to run my own ffmpeg fleet?

Yes — for your use case, you probably want a managed video processing API rather than self-hosting ffmpeg workers.

What you need

Given:

• User uploads
• HLS output
• Thumbnails
• Webhooks
• No desire to run your own ffmpeg fleet

You should look for a service that offers:

1. Direct upload or upload URLs
2. Asynchronous encoding jobs
3. HLS packaging/streaming output
4. Thumbnail generation
5. Webhook callbacks on job completion/failure
6. Good retry/error handling
7. Storage/CDN integration

Good options to consider

1) Mux

Best if you want the smoothest developer experience.

Pros

• Very solid API and docs
• Handles uploads, processing, HLS playback
• Generates thumbnails and sprites
• Supports webhooks
• Great for product teams shipping quickly
• Also gives playback infrastructure, not just encoding

Cons

• Usually pricier than “raw transcoding only” options
• Some features are bundled into a more opinionated platform

Best for

• SaaS products
• UGC apps
• Teams that want “video infrastructure” instead of just encoding

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2) Cloudflare Stream

Best if you want simplicity + integration with Cloudflare.

Pros

• Easy to use
• Handles uploads, transcoding, HLS delivery
• Supports thumbnails
• Webhooks/events available
• Nice if you already use Cloudflare for CDN, auth, storage

Cons

• Less flexible than some competitors
• Not ideal if you want deep control over encoding presets

Best for

• Apps already on Cloudflare
• Teams that want low-ops video delivery

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3) AWS Elemental MediaConvert

Best if you want infrastructure-grade flexibility and are already on AWS.

Pros

• Extremely capable
• HLS output, thumbnails, multiple renditions
• Webhooks via AWS EventBridge/SNS/Lambda patterns
• Scales well
• Strong enterprise/compliance story

Cons

• More complex to integrate
• More operational overhead than Mux/Cloudflare
• You still need to build some glue yourself

Best for

• Teams comfortable with AWS
• More custom pipeline needs
• Enterprise or high-scale workflows

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4) Bitmovin Encoding

Best if quality/control matter a lot.

Pros

• Powerful encoding control
• HLS and thumbnails supported
• Webhook/event support
• Good for premium playback/encoding workflows

Cons

• Usually more enterprise-oriented
• Can be more expensive
• Integration is more involved than the simplest platforms

Best for

• Media-heavy products
• Teams that care about encoding knobs and quality

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5) Transloadit

Best if your product needs general file processing, not just video.

Pros

• Very flexible workflows
• HLS, thumbnails, and uploads supported
• Webhooks
• Great for mixed media/document workflows

Cons

• Not as opinionated for video streaming as Mux/Cloudflare
• May feel broader than you need

Best for

• Apps processing many file types
• Workflow-heavy products

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My quick recommendation

If you want the shortest path to production:

• Choose Mux if you want the best overall developer experience and a mature video platform.
• Choose Cloudflare Stream if you want something simpler and already use Cloudflare.
• Choose AWS Elemental MediaConvert if you want maximum control and are okay building more orchestration.

If you want “just encoding API”

If your goal is specifically:

• accept upload
• transcode to HLS
• generate thumbnails
• send webhook when done

then the strongest shortlist is:

1. Mux
2. Cloudflare Stream
3. AWS MediaConvert

Decision guide

Pick:

• Mux if you want fastest product integration and least hassle
• Cloudflare Stream if cost/simplicity and Cloudflare ecosystem matter
• AWS MediaConvert if you need AWS-native architecture and custom pipelines
• Bitmovin if premium encoding control matters
• Transloadit if you need broader file automation

If you want, I can also give you:

1. a feature-by-feature comparison table,
2. a pricing/lock-in discussion, or
3. a recommended architecture for your app based on your stack.