CPaaSMassAccess
Why MassAccessHow It WorksSupported ChannelsDevelopers
Sign InSign Up
?
Developers
Quick StartAuthenticationConceptsFAQ
API ReferenceSending MessagesWebhooksHTTP Response CodesChange Phone NumberClient Check
DevelopersAPI Reference

API Reference

Complete list of MassAccess API methods. All requests use HTTPS, data is transferred in JSON format. Base URL:

Sending Messages

Send a message to a client via messenger

Change Phone Number

Change client phone number

Webhooks

Receive webhooks about message delivery status: delivered, read, error

Client Check

Check if a client exists in your company and get the list of bots they are connected to.

HTTP Response Codes

HTTP response codes returned by MassAccess API for /api/v1/ endpoints.

PreviousFAQ
NextSending Messages
MassAccess
Developers·Terms of Service·Privacy Policy
info@massaccess.net
MassAccess
Developers·Terms of Service·Privacy Policy·info@massaccess.net
Multichannel messaging platform for businesses© 2026 MassAccess. All rights reserved