Environments

Mews supports two main environments: Demo and Production. Demo can be used for integration development and testing. Production is for live customer sites.

Pricing environments

Enterprises can be configured for Gross Tax or Net Tax. In the Production environment this will depend on the individual enterprise. For development and test purposes, we have set up two versions of the Demo environment, one for Gross Tax and one for Net Tax.

• Gross Pricing Environments: These are environments in which taxes are included in the pricing that is offered to the end customer, such as used by Germany, UK and Australia.

• Net Pricing Environments: These are environments in which taxes are excluded from the pricing that is offered to the end customer, such as used in the USA.

Demo environments

Security Policy

IMPORTANT! The demo environments are completely public and NO REAL DATA should be used for any reason. Failure to comply with these guidelines can result in immediate suspension of the connection or denial of certification.

Platform addresses

These addresses should be used for testing and development of client applications:

• PlatformAddress - https://api.mews-demo.com

• WebSocketAddress - wss://ws.mews-demo.com

Mews system credentials

These login credentials can be used to access Mews Operations (for both Gross and Net Pricing Environments):

• Mews Web Application Address - https://app.mews-demo.com

• Email - [e-mail]

• Password - connector-API-2024

API tokens (Gross Pricing Environment)

The credentials below will connect with a demo enterprise configured for Gross pricing. This demo enterprise is based in the United Kingdom legal and tax environment. It accepts GBP, EUR and USD currencies (any of them may be used). Refer to Taxations for proper usage of the relevant Tax rate codes. Use any of the four sets of tokens.

Integration: Are you ready to integrate with Mews?

• ClientToken - E0D439EE522F44368DC78E1BFB03710C-D24FB11DBE31D4621C4817E028D9E1D

• AccessToken - C66EF7B239D24632943D115EDE9CB810-EA00F8FD8294692C940F6B5A8F9453D

Integration: Connector API Test Client 2

• ClientToken - E916C341431C4D28A866AD200152DBD3-A046EB5583FFBE94DE1172237763712

• AccessToken - CC150C355D6A4048A220AD20015483AB-B6D09C0C84B09538077CB8FFBB907B4

Integration: Connector API Test Client 3

• ClientToken - 2CC71B0660F345019882AD200155B4FE-4A1FC9080A4DD2A404734003674F77E

• AccessToken - 5F56B9903A834F199E28AD20015E58CA-5C6A1A00550634911534AD6A098E8B7

Integration: Connector API Test Client 4

• ClientToken - 07AB1F14B55C49B8BDD6AD200158423B-273A4497AFF5E20566D7199DB3DC2BA

• AccessToken - 39E301DD5A1C4A569087AD20015F60DD-50DC28896E9090CCA0995C9BBD90351

API tokens (Net Pricing Environment)

The credentials below will connect with a demo enterprise configured for Net pricing. This demo enterprise is based in the United States - Washington DC legal and tax environment. It accepts GBP, EUR and USD currencies (any of them may be used). Refer to Taxations for proper usage of the relevant Tax rate codes. Use any of the four sets of tokens.

Integration: Are you ready to integrate with Mews?

• ClientToken - E0D439EE522F44368DC78E1BFB03710C-D24FB11DBE31D4621C4817E028D9E1D

• AccessToken - 4D6C7ABE0E6A4681B0AFB16900AE5D86-DF50CBC89E1D4FF5859DDF021649ED5

Integration: Connector API Test Client 2

• ClientToken - E916C341431C4D28A866AD200152DBD3-A046EB5583FFBE94DE1172237763712

• AccessToken - 1AEFA58C55E74D65BDC7AD2001564C12-66633E0B736F523379B9E5966165A55

Integration: Connector API Test Client 3

• ClientToken - 2CC71B0660F345019882AD200155B4FE-4A1FC9080A4DD2A404734003674F77E

• AccessToken - 682C235379B64D909941AD2001577525-BFC60A026081F1350FAA99CAB9F7510

Integration: Connector API Test Client 4

• ClientToken - 07AB1F14B55C49B8BDD6AD200158423B-273A4497AFF5E20566D7199DB3DC2BA

• AccessToken - BFD4298010F54B069F3DAD20015D53EA-D5561FADFBA4EFC8EA4C179C6BC461F

Request limits

• 500 requests per AccessToken within 15 minutes

• 250 requests per endpoint per AccessToken within 15 minutes

Pagination: All requests utilizing Pagination have their limits increased by 10 times.

Production environment

Security Policy

IMPORTANT! To protect the live data of each enterprise, please store your production tokens securely and do not share them publicly.

Addresses

• PlatformAddress - https://api.mews.com

• WebSocketAddress - wss://ws.mews.com

• Mews Web Application Address - https://app.mews.com

API tokens

• ClientToken - Unique to your application, serving as the identifier of the API client. This token will be provided to you by our integration team upon successful certification.
• AccessToken - Unique token per enterprise. Can be provided to you by the enterprise admin.

Request limits

• 3000 requests per AccessToken within 15 minutes

• 1500 requests per endpoint per AccessToken within 15 minutes

Pagination: All requests utilizing Pagination have their limits increased by 10 times.

Taxations

Each enterprise operates within a specific Tax environment, which defines the applicable Taxations. The tax rates are represented by Tax rate codes accepted within that environment. Instead of using numeric tax rates like 0.1, use Tax rate codes such as AT-S to accurately represent and calculate the correct taxation for each accounting item in Mews.

To obtain the applicable codes:

1. Download the enterprise information using Get configuration to identify the Tax Environment.
2. Filter for the applicable Tax rate codes from the tax environment information retrieved via Get all tax environments.
3. Be sure to note the validity intervals, and monitor any government announcements for changes to tax rates. If changes occur, re-retrieve the enterprise and tax environment information to identify the new tax rate codes.

IP address allowlisting

Allowlisting (formerly called 'whitelisting') is a common security measure which can be applied to a system to allow only specified external systems to talk to it. This has traditionally been achieved using IP address-based firewall rules. However, this approach does not work with modern cloud based architectures, which use dynamic and shared IP addresses, proxy servers and elastic resources. For this reason, we do not support the use of IP address allowlists for our APIs and we cannot supply a list of IP addresses for our APIs.