V2 Messaging API features guide

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Jason Sommerset

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These APIs provide the same basic functionality for SMS and MMS as our V1 Messaging APIs, but with the added messaging features and full integration into the Bandwidth Dashboard! This allows for simpler and easier use alongside our advanced number management, voice, and 911 services.

Feature Description
Group Messaging (MMS) Ability to send and receive text messages involving multiple recipients using long code phone numbers.
Segment Count Available in callbacks
Downloadable MDR CSVs Yes
Long Code A2P Support Currently in Limited Availability. Please reach out to your Account Manager for more information.
Toll Free MMS Support Currently in Limited Availability. Please reach out to your Account Manager for more information.
SMS Burst Traffic Provides a default queue and can accept high bursts. Rate Limit Errors occur when average volumes exceed a 15 min queue.
Application Management The Bandwidth Dashboard
Billing Per Message Segment (industry standard)

Enhanced features in V2 Messaging API

Feature Description
Account Management The Bandwidth Dashboard
Buying Numbers The Bandwidth Dashboard only - no need to import numbers into the Application Platform!
Disconnecting Numbers The Bandwidth Dashboard
Porting Numbers The Bandwidth Dashboard
API Credential Management The Bandwidth Dashboard
Messaging APIs
DLRs / Error Codes Expansion from 18 DLR codes to 40+ DLR codes to improve the understanding of undelivered messages. See V2 Error Codes for more information.
Callback Data Formats Message callbacks are sent as an array of objects for every event.
Callback Retry Logic Callback failures are automatically retried every few minutes for up to 24 hours in event of a network or server failure. Additionally, the priority of sending callbacks is optimized so that callbacks that have never retried are the ones being sent first, followed by callbacks that have already been retried.
HTTP Response Codes Faster, steadier responses with asynchronous processing, returns HTTP Response code 202- Accepted, and will automatically send a callback for every event freeing up resources faster for high scalability between customers' servers and Bandwidth’s APIs.
Throughput / Delivery
Queuing On by default
Queue Size 15 Minutes (default) with the ability to increase up to 4 hours - reach out to your account manager to increase your queue size.
Burst Limits Can accept higher bursts, up to your De-Queue Rate Limit.
Rate Limits determined by De-Queue Message Segment Per Second (industry standard).
Error Codes for Rate Limits HTTP 429
International Support
Full International Reach Supports all 5 zones - please see out Messaging Carrier Reach list.
Support non-English characters Enhanced Support that is supported across carriers (GSM-7 and UCS-2 Encoding).
Reports/MDR
MDR content Detailed - please see our Message Detail Record field descriptions.
 Message and Content Storage
Store Message content Message content isn't stored.

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