LAGO_URL="https://api.getlago.com"
API_KEY="__YOUR_API_KEY__"

curl --location --request POST "$LAGO_URL/api/v1/applied_coupons" \
  --header "Authorization: Bearer $API_KEY" \
  --header 'Content-Type: application/json' \
  --data-raw '{
    "applied_coupon": {
      "external_customer_id": "5eb02857-a71e-4ea2-bcf9-57d3a41bc6ba",
      "coupon_code": "startup_deal",
      "amount_cents": 2500,
      "amount_currency": "EUR",
      "frequency": "recurring",
      "frequency_duration": 3
    }
  }'

from lago_python_client.client import Client
from lago_python_client.exceptions import LagoApiError
from lago_python_client.models import AppliedCoupon

client = Client(api_key='__YOUR_API_KEY__')

applied_coupon = AppliedCoupon(
  external_customer_id="5eb02857-a71e-4ea2-bcf9-57d8885990ba",
  coupon_code="startup_deal",
  amount_cents=2500,
  amount_currency="EUR",
  frequency="recurring",
  frequency_duration=3
)

try:
    client.applied_coupons.create(applied_coupon)
except LagoApiError as e:
    repair_broken_state(e)  # do something on error or raise your own exception

require 'lago-ruby-client'

client = Lago::Api::Client.new(api_key: '__YOUR_API_KEY__')

client.applied_coupons.create(
  external_customer_id: "5eb02857-a71e-4ea2-bcf9-57d3a41bc6ba",
  coupon_code: "startup_deal",
  amount_cents: 2500,
  amount_currency: "EUR",
  frequency: "recurring",
  frequency_duration: 3
)

const appliedCouponObject = {
  external_customer_id: "5eb02857-a71e-4ea2-bcf9-57d8885990ba",
  coupon_code: "startup_deal",
  amount_cents: 2500,
  amount_currency: "EUR",
  frequency: "recurring" as AppliedCouponObject["frequency"],
  frequency_duration: 3,
};

await client.appliedCoupons.applyCoupon({
  appliedCoupon: appliedCouponObject,
});

import "fmt"
import "github.com/getlago/lago-go-client"

func main() {
lagoClient := lago.New().
    SetApiKey("__YOUR_API_KEY__")

applyCouponInput := &lago.ApplyCouponInput{
    ExternalCustomerID: "5eb02857-a71e-4ea2-bcf9-57d8885990ba",
    CouponCode: "startup_deal",
    Frequency: lago.CouponFrequencyRecurring,
    FrequencyDuration: 3
}

appliedCoupon, err := lagoClient.Coupon().ApplyToCustomer(applyCouponInput)
if err != nil {
    // Error is *lago.Error
    panic(err)
}

// appliedCoupon is *lago.AppliedCoupon
fmt.Println(appliedCoupon)
}