checkVAT

This is a cli application that calls EU's VIES service and verifies if a given VAT Number is valid.

Check these links for more information about:

• VAT identification numbers
• VIES (VAT Information Exchange System)

Installation

npm install -g checkvat

Usage

checkVAT doesn´t support batch requests

Simply call the executable with the VAT number as the first argument

Sending a request to the live service:

checkvat XX12345n

Sending a request to the test service:

checkvat XX100 --test-service

Output

Valid request with Valid VAT Number:

Valid

Valid request with an Invalid VAT Number:

Invalid

Other kinds of error messages:

UNKNOWN_ERROR

INVALID_INPUT

(...)

Error Messages

These VAT Numbers(along with any country code) will let you see each type of error when using the test service :

VAT Number	Response
100	Valid request with Valid VAT Number
200	Valid request with an Invalid VAT Number
201	Error : INVALID_INPUT
202	Error : INVALID_REQUESTER_INFO
300	Error : SERVICE_UNAVAILABLE
301	Error : MS_UNAVAILABLE
302	Error : TIMEOUT
400	Error : VAT_BLOCKED
401	Error : IP_BLOCKED
500	Error : GLOBAL_MAX_CONCURRENT_REQ
501	Error : GLOBAL_MAX_CONCURRENT_REQ_TIME
600	Error : MS_MAX_CONCURRENT_REQ
601	Error : MS_MAX_CONCURRENT_REQ_TIME
For all the other cases	Error : SERVICE_UNAVAILABLE