Buf Schema Registry
Buf Schema Registry: A focused Protobuf registry with CI governance, dependency management, and generated SDKs. Ranked #6 of 25 in Schema Registry Software by our editors (8.6/10); pricing: Free plan · 30-day trial; best for protobuf teams needing CI governance.
At a glance
- Editor score8.6 / 10
- PricingFree plan · 30-day trial
- Best forProtobuf teams needing CI governance
- Free planYes
- Paid from$0.50/unit/mo
- Schema formatsProtobuf
- Facts checked20 Sep 2026
Where it wins
- Versioned Protobuf registry with pinned dependency management
- Linting, breaking-change policies, and approval reviews
- Generated SDKs, documentation, plugins, and CI/CD publishing
Where it doesn't
- Focused on Protobuf rather than multiple schema formats
- Usage-based billing applies to Teams and Pro plans
- Advanced isolation and dedicated support require Enterprise
Our verdict on Buf Schema Registry
Buf Schema Registry is a hosted registry for teams that publish, version, document, and consume Protobuf API schemas. It stores Buf modules, resolves dependencies, generates SDKs and documentation, hosts remote Protobuf plugins, and runs compilation, lint, breaking-change, and policy checks. Engineering organizations can use the shared public registry, a Buf-hosted private instance, or an on-premises deployment. Its fit is strongest for Protobuf teams that need governance across repositories, services, and CI/CD workflows.
The published plans show a freemium model with a free Community plan, a 30-day free trial, and paid usage-based tiers. Community includes one private repository, unlimited public repositories, and Community Slack channel support; the plan allows one private repository with up to 100 types. Teams starts at $0.50 per type per month and adds unlimited private repositories, a shared public BSR, and email support within 48 business hours. Pro costs $5 per type per month and adds a private BSR instance, unlimited organizations, hosted custom plugins, SAML and OIDC SSO, audit logging, and SCIM server administration. Enterprise adds full data isolation, dedicated resources, available self-hosted on-premises deployments, a dedicated Slack channel, a Dedicated Customer Engineer, and custom deployment commitments.
Its strongest operational value is the governance workflow: server-side lint and compatibility checks, approval review for failing schema changes, pinned module versions, and CI/CD publishing through the Buf GitHub Action. Registry APIs are available over Connect, gRPC, and gRPC-Web, with integrations for GitHub Actions and JFrog Artifactory. Generated SDKs can be delivered through native package registries, while documentation is generated automatically. Choose Buf Schema Registry when Protobuf is the organization’s primary schema format and CI policy enforcement matters. Teams needing support for multiple schema formats should consider a broader registry category option.
Your product? Our editors can test Buf Schema Registry in depth and publish a review, labelled as paid · from $149/mo →
Buf Schema Registry pricing
All 4 Buf Schema Registry plans and prices →
Buf Schema Registry fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $0.50/unit/mo |
| Schema formats | Protobuf |
| Compatibility modes | FILE, PACKAGE, WIRE, WIRE_JSON |
| Validation scope | Api |
| Deployment options | Hybrid |
| Approval workflows | Yes |
| Git synchronization | No |
| Free trial | 30 days · card required |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Compliance & security | SSO/SAML |
| Support | Email, Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 2 integrations: GitHub Actions, JFrog Artifactory |
| Pricing | Free plan · 30-day trial (source) |
| Website | buf.build |
| Facts checked | 20 Sep 2026 |
Buf Schema Registry integrations
Buf Schema Registry lists 2 integrations on its own site.
- GitHub Actions
- JFrog Artifactory
Alternatives to Buf Schema Registry
- AxonOps Schema RegistryA free, self-hosted registry with broad schema formats, compatibility modes, and Kafka ecosystem support.9.4
- AWS Glue Schema RegistryA free AWS-native registry for schema control across major streaming services.9.3
- Apicurio RegistryBroad open-source registry coverage for teams managing APIs, events, and data contracts.9.2
See all Buf Schema Registry alternatives →
Buf Schema Registry vs the competition
- Buf Schema Registry vs AxonOps Schema Registry
- Buf Schema Registry vs AWS Glue Schema Registry
- Buf Schema Registry vs Apicurio Registry
- Buf Schema Registry vs Dataphos Schema Registry
- Buf Schema Registry vs Karapace
- Buf Schema Registry vs Yandex Cloud Schema Registry
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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