Build, ship, and tune campaigns programmatically.
A complete reference for the Membrane Campaign API — every endpoint comes with an inline playground pre-filled with a working request body, so you can hit Send and see a real response in seconds.
Generate API keys
Mint a secure key with your JWT, then use it for every campaign call.
Create surveys
Standard, round-robin, binary (Yes/No), or image-slider surveys with rich question types.
Run advertisements
Upload a video; we transcode to HLS and generate a thumbnail. Optionally collect feedback.
Tune & control
Update titles, rewards, cohort distributions, and toggle campaigns live on demand.
API Reference
See workflows →Surveys
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Base URL
https://testfktr.nfthing.com:8000
The playground proxies your requests through this site’s server, so you can hit the live API even if your browser would normally block cross-origin calls.