curl --request POST \
  --url https://api.sandbox.isometric.com/registry/v0/retirements \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-client-secret: <x-client-secret>' \
  --data '{
  "beneficiary_organisation_id": "org_1GB56M1ST1S0GVNA",
  "credit_batch_quantities": [
    {
      "credit_batch_id": "ctb_1DRBTYA8Q1S07CBY",
      "credit_quantity_kg": 1000
    }
  ],
  "notes": "Retired with care.",
  "owner_organisation_id": "org_1GB56M1ST1S0GVNA",
  "retirement_purposes": [
    "corporate_targets"
  ],
  "supplier_id": "spl_1CC712KFS1S0YKPS"
}'

{
  "beneficiary": {
    "domain": "isometric.com",
    "id": "org_1GB56M1ST1S0GVNA",
    "name": "Isometric"
  },
  "credit_batch_size_total": {
    "credit_kgs": 125632,
    "credits": 125.632
  },
  "id": "ret_1FYBH4QDT1S0SVKF",
  "notes": "<string>",
  "owner": {
    "domain": "isometric.com",
    "id": "org_1GB56M1ST1S0GVNA",
    "name": "Isometric"
  },
  "purposes": [
    "corporate_targets"
  ],
  "retired_at": "2023-11-07T05:31:56Z",
  "url": "<string>"
}