# Swagger UI vs urllib3

**Leader by vioscaleAI score:** Swagger UI

| Attribute | Swagger UI | urllib3 |
|---|---|---|
| **vioscaleAI score** | 68.6 (68% (medium)) | 59.5 (60% (medium)) |
| activity.commits_last_30d | 26 | 26 |
| adoption.dependent_repos | 60,531 | 422,295 |
| adoption.github_stars | 29,027 | 4,071 |
| adoption.package_downloads_weekly | 129,984 | - |
| content.faq | `[{"answer":"Swagger UI is a web-based tool that automatically generates interactive API documentation from OpenAPI definitions. It enables developers to visualize, test, and explore APIs with real-time validation and supports collaboration across teams through version control integration. It is indexed under API Development Tools.","source":"https://swagger.io/tools/swagger-ui/","question":"What is Swagger UI?","confidence":0.6},{"answer":"Swagger UI offers a free tier, so you can start without paying. Paid plans start at €21.20 per user per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://swagger.io/tools/swagger-ui/","question":"Is Swagger UI free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Swagger UI. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://swagger.io/tools/swagger-ui/","question":"What platforms does Swagger UI support?","confidence":0.6},{"answer":"Yes. Swagger UI can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://swagger.io/tools/swagger-ui/","question":"Can Swagger UI be self-hosted?","confidence":0.6},{"answer":"We have confirmed 3 integrations for Swagger UI, including GitHub, GitLab and BitBucket. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://swagger.io/tools/swagger-ui/","question":"What does Swagger UI integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Swagger UI. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Swagger UI not holding them. Always confirm compliance directly before you rely on it.","source":"https://swagger.io/tools/swagger-ui/","question":"What security certifications does Swagger UI have?","confidence":0.6},{"answer":"Yes. Swagger UI is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/swagger-api/swagger-ui","question":"Is Swagger UI open source?","confidence":0.99},{"answer":"Swagger UI is available worldwide. Its primary markets are the United States, the EU and Australia. The vendor is headquartered in the United States.","source":"https://swagger.io/tools/swagger-ui/","question":"Where is Swagger UI available?","confidence":0.75}]` | `[{"answer":"urllib3 is a Python HTTP client library that enables applications to make HTTP requests with built-in support for connection pooling, SSL/TLS verification, proxy support, automatic retries, and response compression. It handles the complexities of HTTP communication while simplifying integration into Python projects.","source":"https://urllib3.readthedocs.io","question":"What is urllib3?","confidence":0.95},{"answer":"urllib3 provides thread-safe connection pooling to reuse HTTP connections, client-side TLS/SSL certificate verification for secure connections, built-in proxy support, automatic retry logic for failed requests, and transparent compression handling. These features reduce overhead and improve reliability for HTTP communication.","source":"https://urllib3.readthedocs.io","question":"What are the main technical features of urllib3?","confidence":0.95},{"answer":"Yes, urllib3 is free and open source software with no licensing costs. Optional professional support is available through a Tidelift Subscription for organizations that need dedicated assistance.","source":"https://urllib3.readthedocs.io","question":"Is urllib3 free to use?","confidence":0.95},{"answer":"urllib3 is designed for Python developers and organizations building Python applications that require HTTP client functionality. It's particularly useful for teams needing reliable connection management, security verification, and automated retry handling in their HTTP interactions.","source":"https://urllib3.readthedocs.io","question":"Who should consider using urllib3?","confidence":0.85},{"answer":"urllib3 is a self-hosted library that you integrate directly into your Python application; there are no external services to manage. It runs within your application's Python environment as a dependency.","source":"https://urllib3.readthedocs.io","question":"How is urllib3 deployed?","confidence":0.9},{"answer":"Yes, urllib3 includes REST client capabilities, making it suitable for applications that need to consume HTTP APIs and build client applications that communicate with remote services.","source":"https://urllib3.readthedocs.io","question":"Can urllib3 be used to build REST API clients?","confidence":0.85},{"answer":"urllib3 provides comprehensive API documentation for developers. The documentation is accessible at the project website and covers library features, usage patterns, and integration guidance.","source":"https://urllib3.readthedocs.io","question":"Is documentation available for urllib3?","confidence":0.85}]` |
| deployment.options | `{"cloud":true,"on_prem":true}` | `{"self_hosted":true}` |
| description.long | A tool that automatically transforms OpenAPI specifications into visual, interactive documentation allowing developers to explore and test API operations directly without implementing the backend. Works across browsers and deployment environments as a set of reusable web components. | urllib3 is an HTTP client library for Python that adds essential features not available in the standard library, particularly client-side TLS/SSL certificate verification and robust connection management. |
| features.capabilities | `{"api_docs":true,"mock_server":true,"rest_client":true,"collaboration":true,"ci_integration":true,"openapi_import":true,"automated_testing":true}` | `{"api_docs":true,"rest_client":true}` |
| integrations.count | 3 | 2 |
| integrations.list | `[{"name":"GitHub"},{"name":"GitLab"},{"name":"BitBucket"}]` | `[{"name":"Requests"},{"name":"pip"}]` |
| language.primary | JavaScript | Python |
| license.spdx | Apache-2.0 | MIT |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US","EU","AU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true}` | - |
| pricing | `{"type":"subscription","plans":[{"free":false,"name":"Individual","summary":"€21.20/user/month (20% discount for annual billing)","features":["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)"],"minSeats":1,"commitment":"monthly","components":[{"kind":"per_unit","unit":"user","amount":21.2,"period":"month","currency":"EUR"}],"description":"For individual developers needing powerful tools for API design, testing, and documentation.","contactSales":false,"includedLimits":{"catalog":"included","domains":"5","contracts":"10","ai_credits":"10","public_products":"1","test_executions":"50"}},{"free":false,"name":"Team","summary":"€32.34/user/month (20% discount for annual billing)","features":["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)"],"commitment":"monthly","components":[{"kind":"per_unit","unit":"user","amount":32.34,"period":"month","currency":"EUR"}],"description":"Ideal for small teams looking to enhance collaboration and documentation.","contactSales":false,"includedLimits":{"catalog":"included","domains":"10","webhooks":"2","contracts":"20","ai_credits":"10 per user","public_products":"2","system_accounts":"1","test_executions":"50"}},{"free":false,"name":"Enterprise","summary":"€54.68/user/month (20% discount for annual billing)","features":["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)"],"commitment":"monthly","components":[{"kind":"per_unit","unit":"user","amount":54.68,"period":"month","currency":"EUR"}],"description":"For larger teams needing advanced features for complex API management.","contactSales":false,"includedLimits":{"catalog":"included","domains":"unlimited","webhooks":"50","contracts":"50","ai_credits":"10 per user","public_products":"5","system_accounts":"1","test_executions":"100"}},{"free":false,"name":"Enterprise Plus","summary":"Contact for pricing","features":["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)"],"description":"For enterprises needing maximum control, scalability, and dedicated support.","contactSales":true,"includedLimits":{"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"}}],"addOns":[{"name":"Portal Pro","components":[{"kind":"per_unit","unit":"user","amount":27.5,"period":"month","currency":"EUR"}]},{"name":"Contract Testing Pro","components":[{"kind":"per_unit","unit":"user","amount":21.8,"period":"month","currency":"EUR"}]},{"name":"Enterprise SSO"}],"summary":"From €21.20/user/month. Free tier available. Yearly billing offers 20% discount. Contact sales for Enterprise Plus.","currency":"EUR","freeTier":true,"sourceUrl":"https://swagger.io/tools/swagger-ui/","retrievedAt":"2026-08-05T14:13:07.013Z","startingPrice":{"amount":21.2,"period":"month","currency":"EUR"},"billingPeriods":["month","year"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://urllib3.readthedocs.io","retrievedAt":"2026-08-14T11:08:00.574Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 11 | 27 |
| release.history | `[{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.33.2","date":"2026-10-12T11:13:04Z","type":"stable","version":"v5.33.2"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.33.1","date":"2026-10-01T09:21:05Z","type":"stable","version":"v5.33.1"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.33.0","date":"2026-09-16T09:18:28Z","type":"stable","version":"v5.33.0"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.15","date":"2026-09-04T10:12:37Z","type":"stable","version":"v5.32.15"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.14","date":"2026-08-18T12:12:37Z","type":"stable","version":"v5.32.14"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.13","date":"2026-08-11T12:38:34Z","type":"stable","version":"v5.32.13"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.12","date":"2026-08-03T08:39:05Z","type":"stable","version":"v5.32.12"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.11","date":"2026-07-22T07:31:51Z","type":"stable","version":"v5.32.11"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.10","date":"2026-07-21T11:33:37Z","type":"stable","version":"v5.32.10"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.9","date":"2026-07-17T08:23:31Z","type":"stable","version":"v5.32.9"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.8","date":"2026-06-23T08:15:44Z","type":"stable","version":"v5.32.8"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.7","date":"2026-06-22T13:02:12Z","type":"stable","version":"v5.32.7"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.6","date":"2026-05-12T09:35:45Z","type":"stable","version":"v5.32.6"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.5","date":"2026-04-27T12:54:48Z","type":"stable","version":"v5.32.5"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.4","date":"2026-04-15T09:05:29Z","type":"stable","version":"v5.32.4"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.3","date":"2026-04-14T12:08:11Z","type":"stable","version":"v5.32.3"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.2","date":"2026-04-07T14:01:10Z","type":"stable","version":"v5.32.2"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.1","date":"2026-03-17T14:00:45Z","type":"stable","version":"v5.32.1"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.0","date":"2026-02-27T11:52:23Z","type":"stable","version":"v5.32.0"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.31.2","date":"2026-02-20T10:41:07Z","type":"stable","version":"v5.31.2"}]` | `[{"url":"https://github.com/urllib3/urllib3/releases/tag/2.8.0","date":"2026-09-15T19:40:51Z","type":"stable","version":"2.8.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.7.0","date":"2026-05-07T16:32:49Z","type":"stable","version":"2.7.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.6.3","date":"2026-01-07T16:30:23Z","type":"stable","version":"2.6.3"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.6.2","date":"2025-12-11T15:59:07Z","type":"stable","version":"2.6.2"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.6.1","date":"2025-12-08T15:27:19Z","type":"stable","version":"2.6.1"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.6.0","date":"2025-12-05T15:18:06Z","type":"stable","version":"2.6.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.5.0","date":"2025-06-18T14:19:56Z","type":"stable","version":"2.5.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.4.0","date":"2025-04-10T15:22:59Z","type":"stable","version":"2.4.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.3.0","date":"2024-12-22T07:44:15Z","type":"stable","version":"2.3.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.2.3","date":"2024-09-12T10:50:28Z","type":"stable","version":"2.2.3"},{"url":"https://github.com/urllib3/urllib3/releases/tag/1.26.20","date":"2024-08-29T15:41:42Z","type":"stable","version":"1.26.20"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.2.2","date":"2024-06-17T08:19:23Z","type":"stable","version":"2.2.2"},{"url":"https://github.com/urllib3/urllib3/releases/tag/1.26.19","date":"2024-06-17T17:19:36Z","type":"stable","version":"1.26.19"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.2.1","date":"2024-02-18T03:55:18Z","type":"stable","version":"2.2.1"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.2.0","date":"2024-01-30T15:17:27Z","type":"stable","version":"2.2.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.1.0","date":"2023-11-13T12:29:03Z","type":"stable","version":"2.1.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.0.7","date":"2023-10-17T17:46:02Z","type":"stable","version":"2.0.7"},{"url":"https://github.com/urllib3/urllib3/releases/tag/1.26.18","date":"2023-10-17T17:46:31Z","type":"stable","version":"1.26.18"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.0.6","date":"2023-10-02T17:21:44Z","type":"stable","version":"2.0.6"},{"url":"https://github.com/urllib3/urllib3/releases/tag/1.26.17","date":"2023-10-02T17:21:47Z","type":"stable","version":"1.26.17"}]` |
| security.disclosure_policy | - | yes |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.scorecard | 7.3 | 8.6 |
| security.soc2 | yes | - |
| security.vulnerabilities | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=swagger-ui-dist&per_page=100","last_12m":0,"max_severity":"MODERATE"}` | `{"count":22,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=urllib3&per_page=100","last_12m":8,"max_severity":"CRITICAL"}` |

## Capabilities (API Development Tools)

| Capability | Swagger UI | urllib3 |
|---|:--:|:--:|
| **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 | ✓ | - |

*Source: vioscaleAI. Generated 2026-10-16T20:59:17.647Z. "-" = undocumented, not absent.*