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GET /users/usr_abc123/expenses/exp_9f2c200 OK

{
  "id": "exp_9f2c",
  "name": "Digital Thermometer",
  "amount": 21.30,
  "status": "eligible",
  "merchant": { "name": "Walgreens" },
  "enrichment": { "category": "Medical devices" },
  "parent_expense_id": "exp_1b7d"
}

See the Get Expense endpoint

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Sail gets data and actions from financial systems that don't offer an API. It turns a purchase into the products inside it, tells you which ones qualify as healthcare expenses, and can reimburse an end user from their HSA/FSA.

Itemize Transaction API

Break a transaction down into the individual products inside it, each with its price and category.

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Connect HSA/FSA API

Connect an end user's HSA/FSA to read their balance and activity, and to reimburse them from the account.

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Classify Expense API

Check which transactions and products are eligible for HSA/FSA, using a published ruleset such as IRS Publication 502.

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Set up the Sail MCP server

Connect your AI assistant to Sail's API reference with our MCP server for real-time, accurate answers about any Sail API endpoint.

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Authentication API Errors Webhook Events Rate Limits

200Users under your partner account.

defaultStandard error envelope covering 400, 401, 403, 404, 429, and 500.