SpecShield
APIyesOSS—FREEyesDOCS5/5
SP7.3#10 of 22
outWeb—Windows—Mac—Linux—Android—iOS
Ranked in Contract Testing Tools ·Free plan· paid from $89/mo
About
SpecShield is ranked #10 of 22 in contract testing tools on Inferse. It runs on API, Browser extension, Web. There is a free plan. Paid plans start at $89/mo.
Compared on contract testing tools
- Free plan
- Yesspecshield.io
- Paid from
- $75/mospecshield.io
- Contract formats
- OpenAPI (JSON/YAML), GraphQLspecshield.io
- Consumer verification
- Yesspecshield.io
- Provider verification
- Yesspecshield.io
- Contract registry
- Yesspecshield.io
- GraphQL support
- Yesspecshield.io
- Self-hosted deployment
- Yesspecshield.io
Facts
- Purpose
- SpecShield compares OpenAPI descriptions to flag changes that could break existing API consumers and reports results as GitHub checks.specshield.io · 29 Sept 2026
- Breaking change detection
- It flags removed endpoints, tightened types, and newly required fields on pull requests.specshield.io · 29 Sept 2026
- Consumer registry
- The consumer registry records which services depend on an API so the deploy gate can assess compatibility.specshield.io · 29 Sept 2026
- Governance
- It scores OpenAPI descriptions against OWASP and design rulesets on a 0–100 scale with a letter grade.specshield.io · 29 Sept 2026
- Integrations
- The product offers a GitHub App and Action, CLI for CI systems, IntelliJ plugin, SARIF output, and an MCP server for AI agents.specshield.io · 29 Sept 2026
- GitHub checks
- The GitHub App posts pull request checks with a diff and compatibility verdict, and can block merges when a consumer would break.specshield.io · 29 Sept 2026
- Team features
- The Team plan includes an enforced can-i-deploy gate, audit trail, bidirectional contract testing, Slack alerts, shared workspace, and RBAC.specshield.io · 29 Sept 2026
- Security evidence
- The maker says its audit log records logins, invites, role changes, contract publishes, deploy verdicts, and breaking-change detections in an append-only table, with CSV export.specshield.io · 29 Sept 2026
- Free diff privacy
- The free browser diff compares submitted specs in the request and says it does not persist them.specshield.io · 29 Sept 2026
- Supported specs
- The browser diff accepts OpenAPI specifications in JSON or YAML, including OpenAPI 3.0 and 3.1.specshield.io · 29 Sept 2026
- Who it is for
- The maker describes the product for backend, mobile, platform, microservices, and release engineering teams shipping OpenAPI APIs.specshield.io · 29 Sept 2026
- Free plan limit
- The Free plan is limited to one user and includes seven-day compare history and one GitHub App pull request check.specshield.io · 29 Sept 2026
- Support
- Free includes community support, Team includes priority email support, and Enterprise includes a dedicated SLA.specshield.io · 29 Sept 2026
Best SpecShield alternatives
See all 20Where it ranks on Inferse
- Best Contract Testing Tools in 2026#10 of 22
Sources
- specshield.io· checked 29 Sept 2026
- specshield.io/pricing· checked 29 Sept 2026
- specshield.io/diff· checked 29 Sept 2026




