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Grapity
What it is
Grapity is an open-source API governance platform for teams managing API contracts and consumer changes. Its Registry checks a pushed specification against the previous version and blocks breaking changes with an explanation. It also enforces semantic version increments and tracks deprecation lifecycles, including affected consumers and sunset dates. The Hub provides a searchable API list, endpoint exploration, side-by-side version comparisons, and a version timeline. For Kong, Grapity Gateway creates configuration from registered specifications, and the CLI provisions it through decK. Kong access logs can be sent to the Registry for queries and traffic statistics. The listed governed formats are OpenAPI and AsyncAPI, and the platform supports CI/CD integration and role-based access control. Grapity is available on the web and on Windows, macOS, and Linux, or as a self-hosted deployment. Its Apache 2.0 open-source license has no features locked behind paywalls. The free self-hosted plan allows unlimited APIs and team members with self-managed PostgreSQL. The Cloud plan costs $29.95/mo and includes five APIs and five users; extra API and user charges are listed separately.
For and against
For
- Blocks breaking specification changes
- Tracks consumers and deprecation dates
- Supports OpenAPI and AsyncAPI
- Free self-hosted plan has unlimited APIs
Against
- Windows CLI installation uses npm or WSL
- npm installation requires Node.js 20 or later
- Cloud plan includes five APIs and five users
The verdict
Grapity focuses on specification checks, version governance, and consumer-facing API discovery. Teams can choose free self-hosting or the Cloud plan at $29.95/mo, with additional usage charges listed for the latter.
Who it suits
Grapity is suited to teams coordinating API contracts, preventing breaking changes, and managing API consumers. It offers both cloud and self-hosted options.
Plans and prices
Self-hosted
Unlimited APIs · Unlimited team members · Self-managed PostgreSQL
Read 7 Oct 2026 · grapity.dev
Cloud
5 APIs and 5 users included · +$1.99 per additional API / mo · +$0.99 per additional user / mo
Read 7 Oct 2026 · grapity.dev
On the record
- Compatibility checks
- The Registry compares each pushed spec with its previous version and blocks breaking changes with an explanation.grapity.dev · read 7 Oct 2026
- Demo retention
- Demo instances and their credentials expire and are deleted two hours after creation.grapity.dev · read 7 Oct 2026
- Developer portal
- The Hub provides a searchable API list, endpoint exploration, side-by-side version comparison, and a version timeline.grapity.dev · read 7 Oct 2026
- Gateway integration
- Grapity Gateway generates Kong configuration from registered specs, and the CLI provisions it to Kong via decK.grapity.dev · read 7 Oct 2026
- Gateway logs
- Kong can send access logs to the Registry through its http-log plugin for querying and traffic statistics.grapity.dev · read 7 Oct 2026
- Installation
- The CLI supports macOS and Linux installers; Windows users are directed to npm or WSL, and npm installation requires Node.js 20 or later.grapity.dev · read 7 Oct 2026
- Intended users
- Grapity presents the product for teams that need to manage API contracts, prevent breaking changes, and coordinate API consumers.grapity.dev · read 7 Oct 2026
- License
- The project says it is open source under the Apache 2.0 license, with no features locked behind paywalls.grapity.dev · read 7 Oct 2026
- Privacy and security
- For its demo service and website, Grapity says it uses HTTPS, signed session cookies, and rate limiting, and does not store passwords or billing information.grapity.dev · read 7 Oct 2026
- Product
- Grapity describes itself as an open-source API governance platform for shipping APIs without breaking consumers.grapity.dev · read 7 Oct 2026
- Roadmap
- The site labels Forge typed clients, Schema registry bridges, and Mind LLM-optimized specs as coming later.grapity.dev · read 7 Oct 2026
- Support
- The maker lists [email protected] for contact and privacy questions, and says community support is available through GitHub Sponsors.grapity.dev · read 7 Oct 2026
- Versioning
- The Registry enforces semantic version increments and tracks API deprecation lifecycles, including consumers and sunset dates.grapity.dev · read 7 Oct 2026
