Observed arrival · 2026-10-01
SondaHub’s stateful mock API suite
A free playground of mock APIs and testing endpoints for developers working across protocols, authentication schemes, and backend behaviors.
○Open
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$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Developers testing API clients and integrations
- Worth noticing
- Its MCP test server lists 26 tools, 4 prompts, and 47 resources, including cases for progress, errors, images, and content types.
Field notes
The homepage describes each dataset as a small world with stable IDs and related records, then gives examples of rules: a transfer checks funds and writes a transaction on each side, a helpdesk ticket rejects an impossible status, and a flight booking gets a seat. Protocol-specific routes include MQTT for fleet telemetry and SCIM, SAML, and OIDC for the directory. Its MCP test server lists 26 tools, four prompts, and 47 resources.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue