Prismatic API/Docs/Cursor IDE
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Cursor IDE

Point Cursor custom model settings to the OpenAI-compatible Prismatic endpoint.

Configuration

  • Open Cursor command palette and choose Open User Settings (JSON).
  • Add cursor.general.openAIBaseURL with https://api.prismaticapi.com/v1.
  • Add cursor.general.openAIAPIKey with a Prismatic customer API key.
  • Alternatively use Settings -> Models and fill Base URL, API Key and the public model IDs.

Example

{
  "cursor.general.openAIBaseURL": "https://api.prismaticapi.com/v1",
  "cursor.general.openAIAPIKey": "pa_YOUR_KEY"
}
Open Cursor Settings
Models > Add custom model
Provider: OpenAI Compatible
Base URL: https://api.prismaticapi.com/v1
API Key: pa_YOUR_KEY
Model: claude-sonnet-4-6

Recommended models

  • claude-sonnet-4-6 — strong model for reasoning, refactors and coding agents.
  • claude-haiku-4-5 — fast option for autocomplete, small questions and lightweight tasks.
  • deepseek-v3-2 or another public ID — alternative based on your active catalog and plan.

Troubleshooting

Authentication error

Check that the API key has no extra spaces and has not been revoked in the dashboard.

Model rejected

Use a public model ID returned by GET /v1/models; do not use labels or aliases.

Connection issue

Confirm the configured base URL is exactly the one shown above and that your network allows HTTPS to api.prismaticapi.com.

Notes

  • Prefer a strong model for chat and a cheaper/faster model for lightweight edits when Cursor allows separate selections.
  • If models do not appear, check the exact Base URL and regenerate the key from the dashboard.
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