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Axel

Freemium#2 of 29 in Webhook Management Software

Axel: Durable webhook ingestion with routing, retries, replay, and hosted or self-hosted deployment. Ranked #2 of 29 in Webhook Management Software by our editors (9.3/10); pricing: Free plan; best for self-hosting teams needing durable webhook infrastructure.

9.3/10Editor score

Visit Axel

Axel9.3 Visit Axel

At a glance

Editor score
9.3 / 10
Pricing
Free plan
Best for
Self-hosting teams needing durable webhook infrastructure
Free plan
Yes
Paid from
$20/mo
Event replay
Yes
Facts checked
20 Sep 2026

Where it wins
- Stores events before acknowledgment for durable ingestion
- Supports routing, transforms, retries, replay, and fan-out
- Offers hosted and self-hosted deployment with a free plan
Where it doesn't
- Free plan limits accepted inbound events to 10,000 per month
- Pro pricing adds usage-based event charges after its monthly credit
- Public source release is still being prepared

Our verdict on Axel

Axel is a webhook-ingestion and event-delivery platform for development teams and businesses that need to capture, inspect, route, transform, and replay external webhooks. It stores accepted payloads before acknowledging senders, then delivers events to databases, warehouses, object storage, or HTTP endpoints. Its deployment options cover a managed cloud service and customer-managed self-hosting, making it suited to teams that want durable event handling with control over infrastructure.

The published plans show a Free tier at $0 per month and a Pro tier at $20 per month. Free includes 10,000 accepted inbound events per month, webhook ingest with Postgres, MongoDB, BigQuery, Cloudflare R2, Amazon S3, and HTTP destinations, declarative filters and transforms, 30-day event search in ClickHouse, and community support. Pro adds a $20 monthly usage credit, destination pushes, retries, per-source rate limits, body and depth caps, and a p95 ingest under 250ms SLO. Pro also applies usage-based pricing for accepted inbound events, so teams with higher event volumes should review ongoing usage costs.

Axel's feature set is broad for webhook operations: searchable delivery history, automatic retries with backoff, replay through routes or the CLI, HMAC signature verification, declarative routing, field transforms, fan-out, a failed-delivery inbox, and schema drift checks. Its integrations cover Postgres, MongoDB, Amazon S3, Cloudflare R2, Databricks, BigQuery, and HTTP. Teams needing durable storage, inspection, and delivery controls should consider Axel; organizations seeking a narrowly focused webhook relay or a certification-led security platform may prefer an alternative. Axel is presented as open-source with Apache-2.0 availability, while its public source release is being prepared.

Your product? Our editors can test Axel in depth and publish a review, labelled as paid · from $149/mo →

Axel pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 20 Sep 2026.

See plans on axelapp.ai

All 2 Axel plans and prices →

Axel fact sheet

Free plan	Yes
Paid from	$20/mo
Event inspection	Yes
Automatic retries	Yes
Event replay	Yes
Signature verification	Yes
Routing rules	Yes
Log retention	30 days
Deployment model	Both
Deployment	Cloud, Self-hosted
Platforms	Web
Compliance & security	GDPR
Support	Email, Community, Docs
Built for	Small business, Mid-market, Enterprise (editorial estimate)
Integrations	7 integrations: Postgres, MongoDB, Amazon S3, Cloudflare R2, Databricks, BigQuery …
Pricing	Free plan (source)
Website	axelapp.ai
Facts checked	20 Sep 2026

Axel integrations

Axel lists 7 integrations on its own site.

Postgres
MongoDB
Amazon S3
Cloudflare R2
Databricks
BigQuery
HTTP

Alternatives to Axel

See all Axel alternatives →

Axel vs the competition

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Axel for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

Axel is listed in our Webhook Management Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update