curl --request POST \
  --url https://sandbox.layerfi.com/v1/businesses/{businessId}/invoices/customer-credits \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "external_id": "<string>",
  "customer_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "customer_external_id": "<string>",
  "sent_at": "2023-11-07T05:31:56Z",
  "line_items": [
    {
      "amount": 123,
      "revenue_account_identifier": {
        "type": "AccountId",
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      },
      "memo": "<string>",
      "metadata": {
        "custom_field": "value",
        "any valid json": "below 10kb",
        "nested": {
          "meaning of life": 42,
          "array": []
        }
      },
      "reference_number": "<string>",
      "tags": [
        {
          "key": "Location",
          "value": "MainStreet"
        }
      ]
    }
  ],
  "allocations": [
    {
      "amount": 123,
      "invoice_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    }
  ],
  "tags": [
    {
      "key": "Location",
      "value": "MainStreet"
    }
  ],
  "memo": "<string>",
  "metadata": {
    "custom_field": "value",
    "any valid json": "below 10kb",
    "nested": {
      "meaning of life": 42,
      "array": []
    }
  },
  "reference_number": "<string>"
}'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "external_id": "<string>",
  "customer": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "external_id": "31415926535",
    "individual_name": "<string>",
    "company_name": "<string>",
    "email": "<string>",
    "mobile_phone": "<string>",
    "office_phone": "<string>",
    "address_string": "<string>",
    "memo": "<string>",
    "status": "ACTIVE",
    "transaction_tags": [
      {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "key": "ExampleTagKey",
        "value": "ExampleTagValue",
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z",
        "deleted_at": "2023-11-07T05:31:56Z"
      }
    ]
  },
  "sent_at": "2023-11-07T05:31:56Z",
  "line_items": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "ledger_account": {
        "id": "c4007474-f604-4d57-9690-b7f40f7a1cee",
        "name": "Sales tax: CALIFORNIA",
        "stable_name": "SALES_TAXES_PAYABLE:CALIFORNIA",
        "normality": "CREDIT",
        "account_type": {
          "value": "LIABILITY",
          "display_name": "Liabilities"
        },
        "account_subtype": {
          "value": "SALES_TAXES_PAYABLE",
          "display_name": "Sales Taxes Payable"
        }
      },
      "amount": 123,
      "memo": "<string>",
      "metadata": {
        "custom_field": "value",
        "any valid json": "below 10kb",
        "nested": {
          "meaning of life": 42,
          "array": []
        }
      },
      "reference_number": "<string>",
      "transaction_tags": [
        {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "key": "ExampleTagKey",
          "value": "ExampleTagValue",
          "created_at": "2023-11-07T05:31:56Z",
          "updated_at": "2023-11-07T05:31:56Z",
          "deleted_at": "2023-11-07T05:31:56Z"
        }
      ]
    }
  ],
  "allocations": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "customer_credit_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "invoice_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "amount": 123
    }
  ],
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "deleted_at": "2023-11-07T05:31:56Z",
  "transaction_tags": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "key": "ExampleTagKey",
      "value": "ExampleTagValue",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "deleted_at": "2023-11-07T05:31:56Z"
    }
  ],
  "memo": "<string>",
  "metadata": {
    "custom_field": "value",
    "any valid json": "below 10kb",
    "nested": {
      "meaning of life": 42,
      "array": []
    }
  },
  "reference_number": "<string>"
}