Authentication
Micron Delta uses bearer API keys. Include your key in the Authorization header of every request.
Authenticated request
curl https://api.microndelta.com/v1/operations \
-H "Authorization: Bearer md_live_xxxxxxxxxxxxx" \
-H "Content-Type: application/json"Key types
Sandbox keys begin with md_test_ and production keys begin with md_live_. Sandbox keys work against the sandbox environment and never touch production data.
md_test_Sandbox environment — test data onlymd_live_Production environment — real operationsError responses
The API returns standard HTTP status codes. Errors include a structured JSON body with a code and message.
Error response
{
"error": {
"code": "unauthorized",
"message": "Invalid or missing API key",
"status": 401
}
}400Bad request — invalid parameters401Unauthorized — missing or invalid API key403Forbidden — insufficient permissions404Not found — resource does not exist409Conflict — invalid state transition429Rate limited — too many requests500Server errorPagination
List endpoints return paginated results. Use limit and cursor parameters to page through results.
Paginated response
{
"data": [...],
"has_more": true,
"next_cursor": "op_abc123"
}