# BigIntString

Arbitrary-precision integer encoded as a base-10 string because JSON/OpenAPI cannot safely represent TypeScript `bigint` values.

**string**bigint

Arbitrary-precision integer encoded as a base-10 string because JSON/OpenAPI cannot safely represent TypeScript `bigint` values.

**Possible values:** Value must match regular expression `^[+-]?\d+$`

**Example:<!-- -->&#x20;**`1500000000000000000`

BigIntString

```
"1500000000000000000"
```