# Beeceptor vs Mock Service Worker (MSW)

**Leader by Vioscale score:** Beeceptor

| Attribute | Beeceptor | Mock Service Worker (MSW) |
|---|---|---|
| **Vioscale score** | 68.9 (76% (high)) | 58.1 (81% (high)) |
| adoption.dependent_repos | - | 11,851 |
| adoption.github_stars | - | 18,168 |
| deployment.options | `{"cloud":true,"on_prem":true}` | - |
| description.long | A cloud-based platform that generates mock API servers from specifications or real traffic, enabling developers and QA teams to test applications without relying on actual backend services. | An API mocking library that intercepts network requests at the browser and Node.js levels, allowing consistent mock responses across testing frameworks, tools, and applications without requiring client-specific stubs or configuration. |
| integrations.count | 5 | 8 |
| integrations.list | `[{"name":"OpenAPI/Swagger"},{"name":"GraphQL"},{"name":"gRPC"},{"name":"SOAP"},{"name":"Postman collections"}]` | `[{"name":"Vitest"},{"name":"Playwright"},{"name":"Storybook"},{"name":"React Native"},{"name":"Express"},{"name":"fetch"},{"name":"axios"},{"name":"react-query"}]` |
| language.primary | - | TypeScript |
| license.spdx | - | MIT |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free, 50 requests/day","features":["50 requests/day per endpoint","3 mock rules","Public endpoint","Dynamic and conditional responses","AI-assisted (limited)","Test Data Generation","Live Traffic Inspector","Multi-step Behavior (Stateful)","CRUD Routes (store up to 10 objects)","Local Tunnel (ephemeral)"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Dynamic and conditional responses, create mock server from specs","contactSales":false,"includedLimits":{"mock_rules":"3","crud_storage":"10 objects","requests_per_day":"50"}},{"free":false,"name":"Individual","summary":"$10/month or $96/year (with 20% annual discount)","features":["15,000 requests/month per endpoint","Up to 50 mock rules","Private Endpoint","Dynamic and conditional responses","AI-assisted mock creation","Test Data Generation","Live Traffic Inspector","Multi-step Behavior (Stateful)","CRUD Routes (store up to 100 objects)","AI-powered Spec-to-Mock","Local Tunnel (persistent)","Email Support"],"commitment":"monthly","components":[{"kind":"fixed","amount":10,"period":"month","currency":"USD"}],"description":"Replace manual stubs and unstable dependencies","contactSales":false,"includedLimits":{"mock_rules":"50","crud_storage":"100 objects","requests_per_month":"15000"}},{"free":false,"name":"Team","summary":"$25/month or $240/year (with 20% annual discount)","features":["100,000 requests/month per endpoint","Up to 250 mock rules","Private Endpoint","Dynamic and conditional responses","AI-assisted mock creation","Test Data Generation","Live + Historical Traffic","Multi-step Behavior (Stateful)","CRUD Routes (store up to 500 objects)","AI-powered Spec-to-Mock","Local Tunnel (persistent)","Mutual TLS (mTLS)","CI/CD Integration","Custom Domain","Unlimited Team Members","Email Support"],"commitment":"monthly","components":[{"kind":"fixed","amount":25,"period":"month","currency":"USD"}],"description":"For integrations testing, verification, CI/CD pipelines","contactSales":false,"includedLimits":{"mock_rules":"250","crud_storage":"500 objects","team_members":"unlimited","requests_per_month":"100000"}},{"free":false,"name":"Scale","summary":"$99/month plus $40 per 1M additional requests","features":["1M+ requests/month per endpoint","Up to 500 mock rules","Private Endpoint","Dynamic and conditional responses","AI-assisted mock creation","Test Data Generation","Live + Historical Traffic","Multi-step Behavior (Stateful)","CRUD Routes (store up to 5000 objects)","AI-powered Spec-to-Mock","Local Tunnel (persistent)","Mutual TLS (mTLS)","CI/CD Integration","Custom Domain","Unlimited Team Members","Audit Logs","Configuration Snapshots","Forward Proxy","API Contract Drift Detection","Priority Email Support"],"commitment":"monthly","components":[{"kind":"fixed","amount":99,"period":"month","currency":"USD"},{"per":{"qty":1000000,"unit":"requests"},"kind":"metered","amount":40,"currency":"USD"}],"description":"For large teams, integration & load testing, CI/CD pipelines","contactSales":false,"includedLimits":{"mock_rules":"500","crud_storage":"5000 objects","team_members":"unlimited","requests_per_month":"1000000"}},{"free":false,"name":"Enterprise","summary":"Custom usage-based pricing. Contact sales.","features":["Unlimited Team Access","Usage-based pricing model","Enterprise SSO (SAML)","Observability & Logging","OpenTelemetry integration","SIEM integration","Security Controls","Header masking","IP whitelisting","Private Cloud & On-Prem","Unlimited usage with on-prem deployments","Dedicated Support","Priority phone & email support","Guaranteed response times"],"contactSales":true}],"addOns":[{"name":"Extra Requests (Scale plan)","components":[{"per":{"qty":1000000,"unit":"requests"},"kind":"metered","amount":40,"currency":"USD"}]}],"summary":"From free to $99/month. Free tier available with 50 requests/day. 10-day trial of Team plan. 20% discount for annual billing.","currency":"USD","freeTier":true,"sourceUrl":"https://beeceptor.com/pricing/","retrievedAt":"2026-08-18T12:23:46.120Z","freeTrialDays":10,"startingPrice":{"amount":10,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://mswjs.io","retrievedAt":"2026-08-17T21:32:17.412Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.transparent | yes | - |
| release.cadence_days | - | 2 |
| release.history | - | `[{"url":"https://github.com/mswjs/msw/releases/tag/v2.15.0","date":"2026-07-08T01:43:13Z","type":"stable","version":"v2.15.0"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.14.7","date":"2026-07-07T18:24:49Z","type":"stable","version":"v2.14.7"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.14.6","date":"2026-05-11T09:41:54Z","type":"stable","version":"v2.14.6"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.14.5","date":"2026-05-08T01:51:55Z","type":"stable","version":"v2.14.5"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.14.4","date":"2026-05-07T12:26:03Z","type":"stable","version":"v2.14.4"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.14.3","date":"2026-05-04T17:14:11Z","type":"stable","version":"v2.14.3"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.14.2","date":"2026-04-29T15:37:39Z","type":"stable","version":"v2.14.2"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.14.1","date":"2026-04-29T15:11:07Z","type":"stable","version":"v2.14.1"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.14.0","date":"2026-04-29T14:12:53Z","type":"stable","version":"v2.14.0"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.13.6","date":"2026-04-24T15:53:44Z","type":"stable","version":"v2.13.6"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.13.5","date":"2026-04-23T01:46:05Z","type":"stable","version":"v2.13.5"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.13.4","date":"2026-04-16T16:25:47Z","type":"stable","version":"v2.13.4"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.13.3","date":"2026-04-14T01:44:10Z","type":"stable","version":"v2.13.3"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.13.2","date":"2026-04-08T11:18:18Z","type":"stable","version":"v2.13.2"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.13.1","date":"2026-04-07T18:14:15Z","type":"stable","version":"v2.13.1"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.13.0","date":"2026-04-06T12:37:48Z","type":"stable","version":"v2.13.0"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.12.14","date":"2026-03-21T01:42:04Z","type":"stable","version":"v2.12.14"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.12.13","date":"2026-03-17T11:36:51Z","type":"stable","version":"v2.12.13"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.12.12","date":"2026-03-17T01:42:36Z","type":"stable","version":"v2.12.12"},{"url":"https://github.com/mswjs/msw/releases/tag/v2.12.11","date":"2026-03-15T19:07:45Z","type":"stable","version":"v2.12.11"}]` |
| reliability.status_page | yes | - |
| security.gdpr | yes | - |
| security.iso27001 | yes | - |
| security.scorecard | - | 6.2 |
| security.soc2 | yes | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=msw&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (API Mocking)

| Capability | Beeceptor | Mock Service Worker (MSW) |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Mocking mode | - | - |
| Stateful scenarios | - | - |
| Fault chaos injection | - | - |
| Openapi import | - | - |
| Proxy passthrough | - | - |
| Admin API | - | - |
| Deployment | - | - |
| Legacy protocol virtualization | - | - |
| Collaboration sharing | - | - |
| Ci cd integration | - | - |
| Open source | - | - |
| Market segment | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T15:20:06.221Z. "-" = undocumented, not absent.*