{
  "title": "Teller API Structure",
  "description": "JSON structure documentation for the Teller unified banking API",
  "baseUrl": "https://api.teller.io",
  "authentication": {
    "type": "bearer + mTLS",
    "description": "Access token as HTTP Basic Auth username, plus Teller client certificate for mTLS"
  },
  "resources": {
    "GET /identity": {
      "description": "List accounts with owner identity information",
      "authentication": "required",
      "response": {
        "type": "array",
        "items": {
          "account_fields": ["id", "enrollment_id", "name", "last_four", "type", "subtype", "currency", "status", "institution", "links"],
          "owners_array": {
            "type": "array",
            "owner_fields": ["type", "names", "addresses", "phone_numbers", "emails"]
          }
        }
      }
    },
    "GET /accounts": {
      "description": "List all authorized bank accounts",
      "authentication": "required",
      "response": {
        "type": "array",
        "item_fields": ["id", "enrollment_id", "name", "last_four", "type", "subtype", "currency", "status", "institution", "links"]
      }
    },
    "GET /accounts/{account_id}": {
      "description": "Get a single bank account",
      "authentication": "required",
      "path_params": { "account_id": "string" },
      "response": {
        "type": "object",
        "fields": ["id", "enrollment_id", "name", "last_four", "type", "subtype", "currency", "status", "institution", "links"]
      }
    },
    "DELETE /accounts/{account_id}": {
      "description": "Revoke authorization for a single account",
      "authentication": "required",
      "path_params": { "account_id": "string" },
      "response": { "status": 204 }
    },
    "DELETE /accounts": {
      "description": "Revoke authorization for all accounts in the enrollment",
      "authentication": "required",
      "response": { "status": 204 }
    },
    "GET /accounts/{account_id}/details": {
      "description": "Get routing and account numbers",
      "authentication": "required",
      "path_params": { "account_id": "string" },
      "response": {
        "type": "object",
        "fields": {
          "account_id": "string",
          "account_number": "string",
          "routing_numbers": { "ach": "string", "wire": "string" }
        }
      }
    },
    "GET /accounts/{account_id}/balances": {
      "description": "Get available and ledger balances",
      "authentication": "required",
      "path_params": { "account_id": "string" },
      "response": {
        "type": "object",
        "fields": {
          "account_id": "string",
          "available": "string (decimal)",
          "ledger": "string (decimal)",
          "links": { "self": "uri", "account": "uri" }
        }
      }
    },
    "GET /accounts/{account_id}/transactions": {
      "description": "List account transactions",
      "authentication": "required",
      "path_params": { "account_id": "string" },
      "query_params": {
        "count": "integer (optional)",
        "from_id": "string (optional, for pagination)",
        "start_date": "date ISO 8601 (optional)",
        "end_date": "date ISO 8601 (optional)"
      },
      "response": {
        "type": "array",
        "item_fields": ["id", "account_id", "amount", "date", "description", "status", "type", "running_balance", "details", "links"]
      }
    },
    "GET /accounts/{account_id}/transactions/{transaction_id}": {
      "description": "Get a single transaction",
      "authentication": "required",
      "path_params": { "account_id": "string", "transaction_id": "string" },
      "response": {
        "type": "object",
        "fields": ["id", "account_id", "amount", "date", "description", "status", "type", "running_balance", "details", "links"]
      }
    },
    "GET /institutions": {
      "description": "List supported financial institutions",
      "authentication": "none",
      "response": {
        "type": "array",
        "item_fields": ["id", "name", "products"]
      }
    }
  }
}