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# Redeem coupon

> Attach a coupon to an account before or after a subscription. Input schema, a tools/call example and an example result.

Source: https://cotlet.dev/docs/mcp/recurly/redeem_coupon

Docs sections: [Get started](https://cotlet.dev/docs.md) · [REST API](https://cotlet.dev/docs/api.md) · [MCP](https://cotlet.dev/docs/mcp.md) · [SDKs & CLI](https://cotlet.dev/docs/sdks.md) · [Integrations](https://cotlet.dev/docs/integrations.md)

Attach a coupon to an account before or after a subscription.

Recurly MCP tools: https://cotlet.dev/docs/mcp/recurly.md

MCP tool: `recurly_write → redeem_coupon`

Access: write. Confirm: waits for the user's OK before it runs.

Redeems a coupon code for one account. Recurly holds the redemption on the account and applies it at the next subscription creation, change or renewal, so it changes what the customer pays. Returns the total discounted so far and the currency. A wrong code or currency fails with a validation error. By default you confirm each call; you can switch that off for this tool.

## Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `account_code` | string | yes | Account code from list_accounts. |
| `coupon_code` | string | yes | Coupon code as created in Recurly. |
| `currency` | string | no | Currency of the redemption, for example USD. |

## tools/call

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "recurly_write",
    "arguments": {
      "operation": "redeem_coupon",
      "arguments": {
        "account_code": "account code",
        "coupon_code": "coupon code"
      }
    }
  }
}
```

## Example response

```json
{
  "content": [
    {
      "type": "text",
      "text": "{ ... same JSON as structuredContent ... }"
    }
  ],
  "structuredContent": {
    "account_code": "north-yard",
    "coupon_code": "WINBACK20",
    "currency": "USD",
    "total_discounted_in_cents": 0,
    "created_at": "2026-10-14T10:31:00Z"
  },
  "isError": false
}
```

Previous: [Refund invoice](https://cotlet.dev/docs/mcp/recurly/refund_invoice.md)

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## For AI agents: sign your user up

Is your user asking you to sign them up for Cotlet? You can do it for them, no account or key needed.

1. Read the fields and their allowed values: GET https://cotlet.dev/api/v1/access-requests
2. Ask the user for each value: email, apps, what you will do with them. If they leave the password to you, generate a strong one and show it to them.
3. Show the user what you will send, then POST it as JSON to https://cotlet.dev/api/v1/access-requests.

One call creates the account and sends the access request; we email the user when access is granted.