Changelog
See what's new in MockResponse. We ship new features and improvements regularly.
v4.3.0
July 13, 2026Provider nestingMulti-spec REST importOptional shared entity state
NewProviders group related API systems (e.g. Auth0 Management + Account) under one workspace or catalog card
NewBatch OpenAPI import — import multiple REST specs under one provider with optional shared entity state across APIs
NewCatalog install picker when a provider has 2+ APIs; partial install shows N/M APIs installed
ImprovedExisting imported systems are grouped into providers on deploy via scripts/backfill-providers.ts
ImprovedGraphQL and SOAP API types appear in the UI as coming soon; REST remains the active import path
v4.2.0
July 11, 2026Emulator-first platformDerived catalog tools only
BreakingRemoved manual agent tool CRUD — tools are derived from OpenAPI import and catalog installs only; deleted /dashboard/agents/tools and POST/PATCH/DELETE /api/agents/tools
BreakingRemoved standalone agent sessions dashboard at /dashboard/agents/sessions — mock session API (POST /api/agents/sessions) remains for scoped state
ImprovedDocs, landing, pricing, README, and API reference updated for emulator-first positioning — HTTP mocks first
Improved/docs/agent-sandbox redirects to /docs/quickstart; nav links updated to Mock Backend Quickstart and Backend Catalog
v4.1.0
July 8, 2026Split import flowsBackends-first documentation
ImprovedOpenAPI import on Backends → New Backend with preview mode and selective operation import
Improved/docs/agent-world redirects to /docs/backends; product docs, onboarding, landing, and API reference updated
v4.0.0
July 2, 2026Intelligent Mock BackendsStateful SessionsRepositioned Platform
NewRepositioned as the AI platform for creating intelligent mock backends — stateful emulation and OpenAPI import
NewMock sessions API at POST /api/agents/sessions — scoped entity state and tool-call traces per run
NewEntity storage for stateful CRUD in imported OpenAPI backends
ImprovedDocs, onboarding, pricing, and landing copy updated for mock-backends positioning
Improved@mockresponse/agent SDK now documents sessions.start/end instead of eval flows
v3.4.0
June 28, 2026Full OpenAPI importImport dialog
NewFull-fidelity OpenAPI/Swagger import — parameters + requestBody → inputSchema, $ref resolution, synthesized sample responses from response schemas
NewImport World dialog with OpenAPI paste/URL tabs, preview mode, and confirm flow
NewSSRF-safe URL fetching (safeFetch) for spec imports with private IP blocking
NewSelective tool import via selectedTools after ?preview=1 — import only checked operations
NewMerge re-imports into existing imported system without consuming another openapiImports slot
ImprovedDeleting the last imported tool removes the empty system and frees openapiImports quota
ImprovedPlan limits enforced for agentTools, mockEndpoints, and openapiImports on bulk import; usage API exposes openapiImports
ImprovedDocs updated for OpenAPI URL import and preview mode
v3.3.0
June 28, 2026Tool Catalog (14 simulators)Pack install/uninstallScenario delete
NewTool Catalog at /dashboard/agents/catalog — browse, search, and filter 14 simulator packs (Gmail, Slack, Stripe, CRM + GitHub, Jira, Notion, Twilio, S3, GCal, HubSpot, Zendesk, Shopify, Linear)
NewPack detail modal with tool list, tags, starter goal, and one-click install from the dashboard
NewSimulator uninstall via DELETE /api/agents/worlds/install-simulator — blocked when systems still reference pack tools
NewBackend delete button in the systems dashboard
ImprovedDocs, landing, and pricing copy updated for 14 simulators and Pro+ mock-system entitlements
Improved/docs/simulators lists full catalog; API docs cover install-simulator GET/POST/DELETE
v3.0.0 – 3.2.0
June 2026Legacy eval platform (removed in 4.0)
ImprovedEarlier 3.x releases shipped agent eval scoring, production trace ingest, certification badges, golden datasets, and statistical regression gates — all removed in v4.0.0. Simulators, fault taxonomy, and OpenAPI import remain.
v2.5.0
January 28, 2026Team Workspaces
NewTeam workspaces with shared mock libraries
NewReal-time collaboration on mock endpoints
Improved50% faster response times for mock endpoints
FixedFixed issue with JSON schema validation on nested objects
v2.4.0
January 15, 2026Webhook SupportAdvanced Analytics
NewWebhook forwarding for mock endpoint hits
NewAdvanced analytics dashboard with custom date ranges
FixedFixed rate limiting not applying correctly on free tier
FixedFixed timezone issues in activity logs
v2.3.0
December 20, 2025Team CollaborationAPI Versioning
NewTeam collaboration features with role-based access
NewAPI versioning support for mock endpoints
NewBasic mock-endpoint import from OpenAPI/Swagger (pre–Agent World; superseded by v3.4 full-fidelity agent-world import)
ImprovedNew dark mode design
SecurityAdded two-factor authentication support
v2.2.0
December 5, 2025Custom Response DelaysEnvironment Variables
NewCustom response delay configuration (0-10s)
NewEnvironment variables for dynamic mock responses
ImprovedRedesigned endpoint editor with syntax highlighting
FixedFixed CORS headers not being applied to error responses
v2.1.0
November 15, 2025Response Templates
NewReusable response templates
NewConditional response logic based on request parameters
ImprovedBetter error messages for invalid configurations
SecurityEnhanced API key rotation and management
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