Parse JSON from open RESTful API and save to Access

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

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

Can run in GUI mode, Step by Step, just a few mouse clicks.
Can run in Command line, for Scheduled Tasks and Streams.

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Import JSON from open RESTful API to Access database

Choose Access and logon.

convert online JSON_API file to Access table - Choose Access and logon

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

convert online JSON_API file to Access table - task window

Select “Source File From” with “Url”.

import online RSS feeds to Access - select type

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

import JSON from open RESTful API to Access database - download from RESTful API URL to JSON file

2. Open the saved JSON file.

import JSON from open RESTful API to Access database - open saved JSON file

3. Config target Access database.

import JSON from open RESTful API to Access database - config Access table

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

import online RSS feeds to Access - create Access table

Select table and config fields.

import online RSS feeds to Access - config Access fields

4. Summary.

import JSON from open RESTful API to Access database - summary

5. Import RESTful JSON to Access.

import JSON from open RESTful API to Access database - import to Access database

See importing results in Access table

import JSON from open RESTful API to Excel file - view Access table

Import API JSON_API to Access in command line

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

Set scheduled tasks for importing API JSON_API to Access

You can schedule and automate this importing task by:

More about FileToDB – JSON to Access converter

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JSON → Access reference

Type mapping

Value kind	in JSON	in Access
Int	`1234 (number)`	`Long Integer`
Bigint	`9007199254740993`	`Long Integer`
Decimal	`1234.56 (number)`	`Decimal`
Float	`1.234e10 (number)`	`Double`
Text	`"text" (string)`	`Text(n)`
Long text	`"multi-line\ntext" (escaped newline inside a string)`	`Long Text`
Date	`"2026-09-18" (string)`	`Date/Time`
Datetime	`"2026-09-18T14:30:00Z" (string)`	`Date/Time`
Binary	`"base64:..." (string)`	`OLE Object`
Boolean	`true / false (boolean)`	`Yes/No`
JSON	`nested object or array, kept as structure`	`Long Text`

Dialect differences

JSON is a file format and Access 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.

Property	in JSON	in Access
port	`—`	`(file-based)`
identifiers	`Double quotes; backslash escapes`	`[square brackets]`
row limit	`—`	`SELECT TOP n`
dates	`No date type: dates arrive as strings and the reader must p...`	`Date/Time`
long text	`—`	`MEMO`
binary	`Not supported natively - base64 inside a string`	`OLE Object`
separator	`Braces and commas`	`—`
encoding	`UTF-8 by definition`	`—`
typing	`string, number, boolean, null, object, array - no date type`	`—`
shape	`Nested objects and arrays`	`Tables of rows and columns`
ceiling	`Whole document is usually parsed into memory`	`—`

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