| Base ID | Unique identifier of the base. Example: app1234567890 | Text | Yes |
| Table ID or name | Table ID or table name. Table names and table IDs can be used interchangeably, but table IDs are recommended so requests do not need to change when a table is renamed. Example: tbl1234567890 | Text | Yes |
| Records | Collection of records to create | List | No |
| Return fields keyed by field ID? | When enabled, returned field objects are keyed by field ID instead of field name | True/False | No |
| Enable automatic type conversion? | Enables best-effort automatic data conversion from string values. Disabled by default to ensure data integrity, but may be helpful when integrating with third-party data sources | True/False | No |
| Fields | | JSON | Yes |