curl --request POST \
  --url https://api.metronome.com/v2/contracts/list \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "customer_id": "13117714-3f05-48e5-a6e9-a66093f13b4d"
}'

{
  "data": [
    {
      "id": "d7abd0cd-4ae9-4db7-8676-e986a4ebd8dc",
      "customer_id": "13117714-3f05-48e5-a6e9-a66093f13b4d",
      "rate_card_id": "92f3080d-27ca-4306-a23f-2430de61851e",
      "starting_at": "2020-01-01T00:00:00.000Z",
      "net_payment_terms_days": 7,
      "ending_before": "2022-01-01T00:00:00.000Z",
      "commits": [
        {
          "id": "62c0cb84-bf3f-48b9-9bcf-a8ddf8c1cf35",
          "type": "PREPAID",
          "name": "My test commit",
          "description": "My test commit description",
          "product": {
            "id": "2e30f074-d04c-412e-a134-851ebfa5ceb2",
            "name": "My product A"
          },
          "rollover_fraction": 0.1,
          "applicable_product_ids": [
            "13a2179b-f0cb-460b-85a1-cd42964ca533"
          ],
          "access_schedule": {
            "credit_type": {
              "id": "2714e483-4ff1-48e4-9e25-ac732e8f24f2",
              "name": "USD (cents)"
            },
            "schedule_items": [
              {
                "id": "2d45952c-5a6e-43a9-8aab-f61ee21be81a",
                "amount": 10000000,
                "starting_at": "2020-02-01T00:00:00.000Z",
                "ending_before": "2021-02-01T00:00:00.000Z"
              }
            ]
          },
          "invoice_schedule": {
            "credit_type": {
              "id": "2714e483-4ff1-48e4-9e25-ac732e8f24f2",
              "name": "USD (cents)"
            },
            "schedule_items": [
              {
                "id": "f15e4e23-f74e-4de4-9b3a-8b07434116c4",
                "invoice_id": "525b9759-7bbd-4a05-aab1-d7c43c976b57",
                "amount": 10000000,
                "unit_price": 10000000,
                "quantity": 1,
                "timestamp": "2020-03-01T00:00:00.000Z"
              }
            ],
            "do_not_invoice": false
          },
          "created_at": "2020-01-01T00:00:00.000Z"
        }
      ],
      "overrides": [
        {
          "id": "6cf3292a-e85c-4be6-822c-e25ba9d19757",
          "product": {
            "id": "eae8903b-693b-41a7-8c0b-f23748c9a9c8",
            "name": "My product B"
          },
          "starting_at": "2020-01-01T00:00:00.000Z",
          "type": "MULTIPLIER",
          "multiplier": 0.1
        }
      ],
      "scheduled_charges": [
        {
          "id": "8e511ff1-3fd5-4d86-bc89-1e80239874bf",
          "name": "My test scheduled charge",
          "product": {
            "id": "2e30f074-d04c-412e-a134-851ebfa5ceb2",
            "name": "My product A"
          },
          "schedule": {
            "schedule_items": [
              {
                "id": "6ca40ebc-9c01-484e-a64e-4e47fbbd0ebe",
                "invoice_id": "5cced82b-5464-41b4-9ea7-3e080e0a4dba",
                "amount": 1000000,
                "unit_price": 1000000,
                "quantity": 1,
                "timestamp": "2020-02-15T00:00:00.000Z"
              }
            ]
          }
        }
      ],
      "scheduled_charges_on_usage_invoices": "ALL",
      "transitions": [
        {
          "type": "RENEWAL",
          "from_contract_id": "9bf48856-b430-42f4-844f-4d2ea85bcff8",
          "to_contract_id": "d7abd0cd-4ae9-4db7-8676-e986a4ebd8dc"
        }
      ],
      "usage_statement_schedule": {
        "frequency": "MONTHLY",
        "billing_anchor_date": "2020-01-01T00:00:00.000Z"
      },
      "created_at": "2019-12-31T14:23:55.234Z",
      "created_by": "Alice",
      "custom_fields": {
        "x_account_id": "KyVnHhSBWl7eY2bl"
      },
      "usage_filter": []
    }
  ]
}