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API Development ToolsUnclaimed

Swagger UI

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Also known as
swagger-ui

Available worldwide · Popular in: US, EU, AU

What is Swagger UI?

Swagger UI automatically generates interactive API documentation from OpenAPI specifications, allowing developers and consumers to visualize and interact with API resources without implementation details. It supports design, testing, contract testing, and governance across teams.

Independently observed

Swagger UI pricing

Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.

Pricing as of verify at live pricing ↗Independently observed
from €21.20/moSubscriptionFree tier

From €21.20/user/month. Free tier available. Yearly billing offers 20% discount. Contact sales for Enterprise Plus.

Individual

€21.20/user/month (20% discount for annual billing)
monthly · min 1 seats

For individual developers needing powerful tools for API design, testing, and documentation.

catalog
included
domains
5
contracts
10
ai_credits
10
public_products
1
test_executions
50
  • Catalog
  • Studio (Codegen, editor, form-based editor, 5 domains)
  • Portal (1 public product with SmartBear branding)
  • Contract testing (10 contracts, 10 AI credits)
  • Functional testing (50 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)

Team

€32.34/user/month (20% discount for annual billing)
monthly

Ideal for small teams looking to enhance collaboration and documentation.

catalog
included
domains
10
webhooks
2
contracts
20
ai_credits
10 per user
public_products
2
system_accounts
1
test_executions
50
  • Catalog
  • Studio (Codegen, editor, form-based editor, 10 domains)
  • Portal (2 public products with SmartBear branding)
  • Contract testing (20 contracts, 10 AI credits per user, 1 System Account, 2 Webhooks)
  • Functional testing (50 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)

Enterprise

€54.68/user/month (20% discount for annual billing)
monthly

For larger teams needing advanced features for complex API management.

catalog
included
domains
unlimited
webhooks
50
contracts
50
ai_credits
10 per user
public_products
5
system_accounts
1
test_executions
100
  • Catalog
  • Studio (Standardization, unlimited domains)
  • Portal (5 public products with SmartBear branding)
  • Contract testing (50 contracts, 10 AI credits per user, 1 System Account, 50 Webhooks, RBAC)
  • Functional testing (100 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)

Enterprise Plus

Contact sales
Contact sales

For enterprises needing maximum control, scalability, and dedicated support.

catalog
included
domains
unlimited with custom templates
webhooks
unlimited
contracts
unlimited
ai_credits
30 per user
public_products
unlimited
system_accounts
unlimited
test_executions
unlimited
private_products
unlimited with full customization
  • Catalog
  • Studio (Standardization, unlimited domains, custom API templates)
  • Portal (Unlimited public and private products with full customization)
  • Contract testing (Unlimited contracts, 30 AI credits per user, Unlimited System Accounts, Unlimited Webhooks, RBAC)
  • Functional testing (Unlimited test executions, test automation, CI/CD integration, assertions, reporting, sequential & parallel testing)

Add-ons

  • Portal Pro€27.50/user/mo
  • Contract Testing Pro€21.80/user/mo
  • Enterprise SSO

What Swagger UI does

The capabilities that matter for api development tools, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Core
REST client
✓
GraphQL support
✗
gRPC support
✗
Design
Mock servers
✓
Testing
Automated / contract testing
✓
Collaboration
Team collaboration & sharing
✓
Docs
Doc generation
✓
Standards
OpenAPI / spec import
✓
Ops
CI integration / CLI
✓
Independently observed

Platform & deployment

Independently observed
Platforms
  • CLI
  • Web
Deployment
  • Cloud / SaaS
  • Self-hosted

Integrations (6)

Independently observed
  • OpenAPI
  • AsyncAPI
  • Version control systems
  • CI/CD pipelines
  • API gateways
  • Identity providers (IdP)

Swagger UI alternatives

Other api development tools we track, ranked by the same independent score.

Independent · unbought · dated

The Vioscale score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Swagger UI, not the verdict.

Balanced composite 66 / 100
medium · 52%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Package Downloads680.2013.5✓
Capabilities870.1210.7✓
Release Cadence930.087.2✓
Pricing Transparency1000.066.2✓
Github Activity420.145.8✓
Security Posture550.105.5✓
Github Stars840.043.2✓
Price Level500.052.3✓
Integrations240.061.5✓
Reliability00.060.0-
Stackoverflow Activity00.090.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Activity

AttributeValueEvidence
Commits last 30d21mediumsource · 2026-08-01 · 65%

Adoption

AttributeValueEvidence
Github stars28,945highsource · 2026-08-01 · 90%
Package downloads weekly162,784highsource · 2026-08-01 · 85%

Features

AttributeValueEvidence
Capabilities{"api_docs":true,"mock_server":true,"rest_client":true,"grpc_support":false,"collaboration":true,"ci_integration":true,"openapi_import":true,"graphql_support":false,"automated_testing":true}mediumsource · 2026-08-05 · 60%

Integrations

AttributeValueEvidence
Count6mediumsource · 2026-08-05 · 60%

Language

AttributeValueEvidence
PrimaryJavaScripthighsource · 2026-08-01 · 90%

License

AttributeValueEvidence
SpdxApache-2.0highsource · 2026-08-01 · 99%

Market

AttributeValueEvidence
Availability{"hqCountry":"US","primaryMarkets":["US","EU","AU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}highsource · 2026-08-05 · 75%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-08-05 · 60%
Modelcommercialmediumsource · 2026-08-05 · 70%
Price levelmidmediumsource · 2026-08-05 · 60%
Starting gbp21.2mediumsource · 2026-08-05 · 60%
TransparentYesmediumsource · 2026-08-05 · 60%

Release

AttributeValueEvidence
Cadence days12mediumsource · 2026-08-01 · 70%

Security

AttributeValueEvidence
FedrampYesmediumsource · 2026-08-05 · 60%
GdprYesmediumsource · 2026-08-05 · 60%
HipaaYesmediumsource · 2026-08-05 · 60%
Soc2Yesmediumsource · 2026-08-05 · 60%