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API test mode: isolation, keys and dummy values v1.0.0

Use this resource to design an API test mode so integrators validate without real data

New

  • 530 downloads
  • 223 likes
  • 207 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install api-sandbox-test-mode

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent picks the isolation model, a soft toggle or a separate copy, then sets key prefixes, test values, simulated events, quotas and abuse controls. It also plans the graduation path to live. You get a full sandbox specification, so integrators test each case before going live.

Mostly picked by

Updated November 2, 2026

Card for the “API test mode: isolation, keys and dummy values” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: interview, method and design steps
  • references/isolation-models-and-key-prefixes.md: isolation models and key prefixes
  • references/magic-value-catalogs.md: test value catalogues

Good fit for

  • Your integrators want to test without real payments or messages
  • You are adding test keys and demo data to your API

Not for

    Tags

    • api
    • sandbox
    • test mode
    • integration

    About

    You say

    “Design the test mode for our payments API: test keys, dummy cards and simulated webhook events.”

    Card for the “API test mode: isolation, keys and dummy values” skill

    Skill published by samber under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to design an API test mode so integrators validate without real data
    3. Review and adjust the result

    Content preview

    Files

    • evals/evals.json33.9 KB
    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/graduation-gates-and-cutover-checklist.md6.5 KB
    • references/isolation-models-and-key-prefixes.md12.2 KB
    • references/magic-value-catalogs.md9.5 KB
    • SKILL.md22.1 KB

    Origin and licence

    Listed unmodified

    Author
    samber
    Source
    github.com/samber/developer-platform-skills/tree/e262cfeabab5f38710334540f8ca5d67b24753c2/skills/api-test-mode-design
    Licence
    MIT

    Notice

    « api-test-mode-design » (samber, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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