Axel vs Dispatch

Axel captures third-party webhooks, routes them to data systems or HTTP services, and replays retained events. It stores an accepted event’s original payload before returning HTTP 202, then delivers it asynchronously. Declarative filters and field transformations can route one event to several destinations. Listed destinations include Postgres, MongoDB, S3, Cloudflare R2, Databricks, BigQuery, and signed HTTP webhooks; generic webhook and custom HMAC sources are also supported. The dashboard and CLI can replay retained events, while Axel Cloud provides 30 days of searchable event and delivery history. Data Contracts infer event and field types and check for schema changes every five minutes, but do not block delivery or guarantee destination acceptance. Delivery is at least once with a stable event ID across retries, so signed receivers should deduplicate. The Free plan includes 10,000 accepted inbound events monthly and community support. Pro costs $20 a month, with additional accepted events at 0.015 USD per 1,000; unused credit expires monthly. Axel is web, API, and self-hosted.

Dispatch receives webhooks, processes events, and delivers them to Discord, Slack, Telegram, or custom HTTP endpoints. It verifies incoming requests before storage, applies filters, formats payloads, and routes events to linked destinations. Filters can use header or body fields, and JSONata expressions can transform event data before formatting. Templates support Discord embeds, Slack Block Kit, and Telegram HTML with platform-specific variants. Failed deliveries can be retried with configurable exponential backoff, up to seven attempts by default. Documented source integrations include GitHub, GitLab, Bitbucket, Jira, Linear, OpenAI, Shopify, Stripe, and others; destinations also include Google Chat and Webex. Its CLI forwards webhook events through a secure tunnel to a local development server, with binaries for Linux, macOS, and Windows. Project-scoped API keys provide programmatic access. Dispatch says it encrypts destination URLs and tokens at rest and uses TLS 1.2 or higher for traffic. The cloud service has a free plan with 10,000 events per month and three days of history; paid plans start at $39/mo.