Aviationstack ◆
Aviationstack is a scalable REST API for real-time flight tracking, historical flight data, airport info, and global aviation data.

Convoy (Developer Tools): Convoy is an enterprise-grade webhook gateway for secure, scalable, and reliable event delivery, built for developers. Pricing: from from $999/mo. (data verified July 2026)
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Convoy is an enterprise-grade webhook gateway that solves the problem of unreliable, insecure, and unscalable webhook delivery. It handles incoming and outgoing webhooks with automatic retries, signature verification, and advanced endpoint management, so your team doesn't have to build and maintain this infrastructure in-house.
Convoy is designed for developers and engineering teams at mid-market to enterprise companies who need to send or receive webhooks reliably at scale. It's ideal for teams that have outgrown simple webhook setups or are considering building a custom webhook system but want to avoid the complexity. It is less suited for hobby projects or very simple use cases where a basic endpoint suffices.
Companies like Neynar, Spruce Health, Marble, Source.ag, and Maple use Convoy to offload webhook retries, dispatching, and security, allowing them to focus on core product development. Typical use cases include integrating with third-party APIs, building event-driven architectures, and ensuring compliance (SOC 2, GDPR) for webhook data.
Editorial score from our review methodology — not user ratings.
Convoy pricing: from $999/mo.
$0 forever. Self-hosted open-source gateway. Includes incoming & outgoing webhooks, automatic retries, Portal Links, message broker support, and community support (Slack & GitHub).
Self-hosted with advanced features: webhook transformation (JS), Google OAuth, webhook catalogue, OpenTelemetry export, role-based access control, advanced webhook retention, endpoint circuit breaking, white-labelling, and priority support.
Self-managed at scale with SAML SSO, dedicated support & SLA, on-prem deployment support, custom contracts, solutions engineering, and SOC 2 & compliance support.
All plans include a 14-day free trial (no credit card required). Cloud trial: 1 project, 1 organisation, 1 user, 100 events/day. Self-hosted trial: 2 projects, 1 organisation, 1 user, unlimited events.
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