Returns subscriber field metadata for the project: which fields exist, how often each is populated (fillRate), example values, and whether the field is auto-filled at send time. Powers variable pickers, persona prefill, and template-coverage UIs. Optionally scope the result to a specific segment or tag.
Documentation Index
Fetch the complete documentation index at: https://docs.migma.ai/llms.txt
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API key authentication. Use 'Authorization: Bearer YOUR_API_KEY' where YOUR_API_KEY is obtained from the Migma dashboard under Settings → API Integration.
Project ID (MongoDB ObjectId)
^[0-9a-fA-F]{24}$Restrict the catalog to subscribers in this segment.
^[0-9a-fA-F]{24}$Restrict the catalog to subscribers with this tag id.
^[0-9a-fA-F]{24}$