Withdata Software

Parse JSON from open RESTful API and save to DB2

Want to parse JSON from open RESTful API and save to DB2 database?

Try Withdata FileToDB, a desktop JSON to DB2 converter for Windows, MacOS, and Linux, Import JSON to DB2, Easy and Fast.

Download FileToDB
Windows 64 bit
Windows 32 bit
Linux .deb (For Debian, Ubuntu) 64 bit
Linux .rpm (For Red Hat, Fedora, SUSE) 64 bit
MacOS 64 bit

Import JSON from open RESTful API to DB2 database

Choose DB2 and logon.

Click “Wizard – 1 File To 1 Table” at task dialog.

Select “Source File From” with “Url”.

1. Input the RESTful API URL, and download to JSON file.

2. Open the saved JSON file.

3. Config target DB2 database.

You can create new DB2 table by JSON struct, just a few mouse clicks.

Select table and config fields.

4. Summary.

5. Import RESTful JSON to DB2.

See importing results in DB2 table

Import API JSON_API to DB2 in command line

Save “JSON_API to DB2” session, then you can:

Set scheduled tasks for importing API JSON_API to DB2

You can schedule and automate this importing task by:

  1. Save session and create .bat (Windows) or .sh (Linux/macOS) file for “JSON to DB2” conversion.
  2. Set scheduled task for “JSON to DB2” conversion.

More about FileToDB – JSON to DB2 converter

JSON → DB2 reference

Type mapping

Value kindin JSONin DB2
Int1234 (number)INTEGER
Bigint9007199254740993BIGINT
Decimal1234.56 (number)DECIMAL(p,s)
Float1.234e10 (number)DOUBLE
Text"text" (string)VARCHAR(n)
Long text"multi-line\ntext" (escaped newline inside a string)CLOB
Date"2026-09-18" (string)DATE
Datetime"2026-09-18T14:30:00Z" (string)TIMESTAMP
Binary"base64:..." (string)BLOB
Booleantrue / false (boolean)SMALLINT
JSONnested object or array, kept as structureCLOB

Dialect differences

JSON is a file format and DB2 is a database server, so the target has to be told the types the file never carried - the rows below are where the two sides diverge.

Propertyin JSONin DB2
port—50000
identifiersDouble quotes; backslash escapes"double quotes"
row limit—FETCH FIRST n ROWS
datesNo date type: dates arrive as strings and the reader must p...DATE, TIME, TIMESTAMP
long text—CLOB
binaryNot supported natively - base64 inside a stringBLOB
separatorBraces and commas—
encodingUTF-8 by definition—
typingstring, number, boolean, null, object, array - no date type—
shapeNested objects and arraysTables of rows and columns
ceilingWhole document is usually parsed into memory—

Command line

SideCommand
DB2EXPORT TO out.csv OF DEL
DB2 (load)db2 IMPORT FROM file OF DEL

Convert your data online, free

Free in-browser converters for CSV, Excel, JSON, XML and SQL: Withdata Online Data Conversion. Large files, batch conversion or scheduling? See the offline desktop apps, or browse all data conversion tools.