WunderGraph
Master API Compostition
FreeCLIOpen SourceAPI43,887 impressions#17 of its week3 comments
Comments
>log in to comment- khairallah Al-Awadi· 3y ago
Looks great!! Congrats on the launch 👏
- Jamie Barton· 3y ago
Congrats on the launch!
- Igor Krasnik· 3y ago
Looks awesome! Congrats with the launch!
WunderGraph Cosmo is a platform for building, managing and scaling federated GraphQL APIs.
- for
- Teams that need to compose, govern and host GraphQL federations at any scale.
- pricing
- freemium
Key features
- Connect any service — Expose gRPC, Kafka, NATS or Redis services through a unified GraphQL router without extra infrastructure.
- Real-time streams — Router handles subscriptions, aggregating events from Kafka, NATS or Redis and pushes updates to clients.
- MCP Gateway — One gateway turns approved operations into agent-ready tools with built-in authentication, eliminating separate MCP servers.
- Graph governance hub — Shared canvas for schema design, review, ownership, proposals and safe deployments with audit logs and RBAC.
- Cache warming — Pre-warm query planning cache to eliminate long planning delays for high-load scenarios.
Use cases
- Enable platform teams to ship independent subgraphs with safe schema changes.
- Provide consumer teams a searchable, owned graph to accelerate feature development.
- Stream real-time events from Kafka/NATS/Redis to front-end clients via GraphQL subscriptions.
- Govern large federations with role-based access control, audit logs and traffic-based breaking-change detection.
- Accelerate API development for AI agents by exposing a unified GraphQL endpoint.
WunderGraph pricing
- Launch$499/month2 federated graphs · 250M requests/mo · Email support · 14-day data retention
- Scale$3499/month5 federated graphs · 1B requests/mo · SSO & RBAC · 30-day data retention
WunderGraph vs alternatives
| Best for | Federated GraphQL governance and scaling | API SDK generation | SaaS starter kit | Visual backend building |
|---|---|---|---|---|
| Pricing | Freemium | Subscription | Free | Subscription |
| DevHunt upvotes | 38 | 81 | 98 | 95 |
| Launched | Jan 2023 | Jan 2024 | Jan 2024 | Jan 2023 |
- WunderGraph vs Sideko: Sideko generates SDKs and docs for existing APIs; Cosmo builds and governs the federated GraphQL itself.
- WunderGraph vs Open SaaS: Open SaaS is a starter kit for SaaS apps, whereas Cosmo is a GraphQL federation platform for any architecture.
- WunderGraph vs Fastgen: Fastgen provides a visual backend builder; Cosmo offers code-first federation with real-time streaming and governance.
WunderGraph FAQ
What is the difference between the free Developer plan and the paid plans?+
The Developer plan is free forever, includes a self-hosted router, one federated graph and up to 10 M requests per month with community support only. Paid plans add more graphs, higher request limits, email support, SSO, RBAC and SLA guarantees.
Can I run Cosmo on my own infrastructure?+
Yes, the router is open-source and can be self-hosted; all plans include the self-hosted router option.
Does Cosmo support Apollo Federation v2?+
Yes, both v1 and v2 of Apollo Federation are supported across all plans.
What real-time protocols are supported for subscriptions?+
Cosmo handles GraphQL subscriptions over Server-Sent Events (SSE) and WebSockets, ingesting events from Kafka, NATS or Redis.
Is there a way to enforce schema ownership and change approvals?+
The Hub governance layer provides ownership metadata, proposals, safe deploy checks and audit logs for controlled schema changes.
Summarized by DevHunt from wundergraph.com · Sep 27, 2026. Details may change; check the official site.