WunderGraph API
Claim this toolOpen-source GraphQL Federation platform for building and managing unified APIs at scale.
From $499/mo, billed monthly (free plan available) Visit Website Freemium Visit Website
Tracked since 2026
The Bottom Line
- Price
- From $499/mo, billed monthly (free plan available). Compare plans
Key facts
- Unifies GraphQL, REST, gRPC, and Kafka APIs into a single federated graph.
- Provides a high-performance router and Schema Registry for robust API management.
- Accelerates API development and ensures compliance with AI-driven workflows and observability.
Pros
- Significantly improves P99 latency and requests per second compared to alternatives like Apollo Router.
- Reduces infrastructure costs and development time for complex API features.
- Simplifies integration of diverse backend technologies (REST, gRPC, Kafka) into a unified GraphQL API.
- Offers robust security and compliance features including on-premise deployment options.
- Enhances developer experience with AI-driven workflows and IDE integration.
Cons
- Requires understanding of GraphQL Federation concepts.
- Migration from existing solutions like Apollo might require some re-configuration.
- The breadth of features might have a learning curve for new users.
What is WunderGraph API?
WunderGraph Cosmo is an open-source API federation platform designed for platform engineering teams to manage and scale GraphQL APIs across various services and teams. It provides tools and infrastructure to unify fragmented API contracts (GraphQL, REST, gRPC, Kafka) into a single, observable model, enabling faster and safer API changes with built-in guardrails and observability. Cosmo aims to simplify the complexities of GraphQL federation, offering solutions for event-driven subscriptions, integrating existing backends without requiring GraphQL knowledge, and streamlining developer workflows.
The platform includes a high-performance Go-based router, a Schema Registry for version control and validation of API schemas, and tools like Cosmo Connect for integrating gRPC services into a federated graph. It supports both GraphQL Federation v1 and v2, is language-agnostic, and can be deployed on-premise or in a hybrid model for compliance. Cosmo also incorporates AI-driven workflows for enhanced productivity, security, and compliance, making it suitable for modern API infrastructures.
Available on: Web
Data compiled by Toolradar Pricing checked · How we evaluate
Source wundergraph.com Preview
Key Features
- Open-Source GraphQL Federation
- High-Performance Go-based Router
- Cosmo Streams (Event-Driven Federated Subscriptions)
- Cosmo Connect (gRPC to GraphQL mapping)
- MCP Gateway (AI-ready API interface)
- Schema Registry with version control and checks
- Federation v1 and v2 compatibility
- Advanced Request Tracing (ART)
Pricing Plans
Pricing checked Sep 30, 2026. Source: wundergraph.com/pricing, read Sep 30, 2026
| Plan | Price | Details |
|---|---|---|
| Developer | Free forever |
+6 more Show less
|
| Launch | $499 / month |
+7 more Show less
|
| Scale | $3499 / month |
+19 more Show less
|
| Enterprise | Custom |
+30 more Show less
|
Included in all plans
- Self-Hosted Router
- Apollo Federation v1 support
- Apollo Federation v2 support
- JWT / JWKS Auth
- Federated Subscriptions (SSE, WebSockets)
- Prometheus Metrics
- OpenTelemetry (OTEL) Tracing
- Advanced Request Tracing (ART)
- Event-Driven Federated Subscriptions (EDFS)
- Ludicrous Mode: Singleflight
- Community Support
- SOC2 & HIPAA compliance
Is WunderGraph API worth the price?
Good value
WunderGraph's pricing is quite generous for developers, offering a free tier with significant capabilities (10M requests, 1 federated graph).
However, the jump to the 'Launch' tier at $499/month for 250M requests and 2 federated graphs, and then to 'Scale' at $3499/month for 1B requests and 5 federated graphs, is steep. This pricing structure seems best suited for individual developers and small teams, with a significant jump required for growing organizations.
WunderGraph API by the numbers
Toolradar data: WunderGraph API's entry paid plan ($499/mo, billed monthly) ranks #171 of 175 (joint) for price among the API Tools tools with a verified entry price and no stated unit, where the median is $25/mo. As of Nov 2026.
| Metric | WunderGraph API | Peer median | Position (1 is best) |
|---|---|---|---|
| Entry paid plan | $499/mo, billed monthly | $25/mo | #171 of 175 (joint) tools with no stated price unit, verified price |
| Free plan | Yes | 72% have one | n/a |
| Listed as an alternative to | 3 tools | 2 | #171 of 504 (joint) |
Listed as an alternative to: #163 on 2026-10-16 to #171 on 2026-11-02 (rank among 504 tools, 1 is best).
Each position is counted among the tools that have data for that row, as noted under it. A lower entry price ranks higher; prices are read on vendor pages and compared only with tools priced on the same basis. All API Tools data · How we compute this. Advertising and placement fees are not inputs to any position.
Cite this: Toolradar, “WunderGraph API by the numbers”, Nov 2026.
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WunderGraph API FAQ
How does WunderGraph API help platform engineering teams?
WunderGraph API is designed for platform engineering teams to manage and scale GraphQL APIs across various services and teams. It unifies fragmented API contracts from different sources into a single, observable model, which helps in making faster and safer API changes.
Which teams benefit most from using WunderGraph API?
Platform engineering teams benefit most from WunderGraph API, as it provides tools and infrastructure to manage and scale GraphQL APIs. It is also suitable for developers looking to simplify the integration of diverse backend technologies into a unified GraphQL API.
How does WunderGraph API compare to Kong for API management?
WunderGraph API significantly improves P99 latency and requests per second compared to alternatives, offering a high-performance Go-based router. It focuses on unifying diverse backend technologies like REST, gRPC, and Kafka into a single GraphQL API, which simplifies complex API features.
What kind of learning curve should users expect with WunderGraph API?
Users should expect a learning curve due to the breadth of features and the requirement to understand GraphQL Federation concepts. Migration from existing solutions might also necessitate some re-configuration.
How is WunderGraph API priced?
WunderGraph API is available on a free tier, with paid plans offered for users requiring more usage and advanced features.
Can WunderGraph API integrate different backend technologies?
Yes, WunderGraph API simplifies the integration of diverse backend technologies such as REST, gRPC, and Kafka into a unified GraphQL API. It includes tools like Cosmo Connect specifically for integrating gRPC services into a federated graph.
Does WunderGraph API support both GraphQL Federation v1 and v2?
Yes, WunderGraph API supports both GraphQL Federation v1 and v2, making it versatile for different federation setups. It also includes a Schema Registry for version control and validation of API schemas.
How does WunderGraph API pricing compare with other API Tools tools?
WunderGraph API's entry paid plan ($499/mo, billed monthly) ranks #171 of 175 (joint) for price among the API Tools tools with a verified entry price and no stated unit, where the median is $25/mo. Prices are read on each vendor's own pricing page and compared only with tools priced on the same basis. Source: Toolradar, Nov 2026.
Source: wundergraph.com