Vonage API Incident History

This incident has been resolved.

Vonage services continue to show signs of recovery following today's interruption in SIP calling. We'll continue to provide further updates here within 2 hours and once full service is restored. Thank you for your patience and understanding as we work to restore services as quickly as possible. If you have any questions, please contact api.support.vonage.com.

We are aware of issues that may be impacting your SIP calling. We are working to resolve the issue as soon as possible. We’ll provide further updates within 60 minutes . Thank you for your patience and understanding. If you have any questions, please contact api.support.vonage.com.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We are currently observing SMS delivery degradation towards Italy Fastweb network. You may experience missing and delayed messages and delivery receipts for outbound messages. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We are currently observing SMS delivery degradation of Domestic Brands towards Globe Telecom in Philippines. You may experience missing and delayed messages and delivery receipts for outbound messages. We are monitoring closely to resolve the issue and will provide update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

Vonage services have been fully restored following today’s service Media Connection and session was in an unstable state in EU region from 2026-07-18 at 06:08:00 UTC to 2026-07-18 at 06:10:15 UTC.  Some customers may have experienced session and media connection failures during this period . If you have any questions, please contact [api.support.vonage.com OR https://www.vonage.com/support/]

We are continuing to work on a fix for this issue.

We are aware of issues that may be impacting your media connection. We are working to resolve the issue as soon as possible. We’ll provide further updates within few mins. Thank you for your patience and understanding. If you have any questions, please contact [api.support.vonage.com OR https://www.vonage.com/support/]

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We are currently observing SMS delivery degradation towards Nigeria-MTN network. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

Please be informed that we are currently observing SMS delivery degradation towards TIM Brazil. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

Vonage services have been fully restored following today’s service interruption reported by our LVN supplier, which began at 2026-July-16 19:05 UTC. Full resolution of the incident has been confirmed by our LVN supplier effective 2026-July-17 00:10 UTC. Thank you for your patience and understanding as we worked with our LVN supplier to restore services as quickly as possible. If you have any questions, please contact api.support.vonage.com

A fix has been implemented and we are monitoring the results.

Thank you for your patience following our LVN supplier's reported service interruption earlier today which may have impacted your ability to use Long Virtual Numbers. Our LVN supplier has identified the issue and applied initial mitigations, and we remain closely engaged with them as they work to resolve the issue. We’ll provide further updates within 1 hour and once full service is restored. Thank you for your patience and understanding. If you have any questions, please contact api.support.vonage.com

We are observing an SMS delivery degradation towards Canadian networks over a subset of Long Virtual Numbers. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We are continuing to investigate this issue.

We are currently experiencing message delivery issues impacting SMS traffic towards T-Mobile USA. As a result, you may experience delays, failures or missing delivery receipts for outbound messages. Our supplier is aware of this issue and investigating the root cause as a matter of urgency. We will post an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

Vonage services impacting WebSocket connections in the EU and APAC regions where authentication headers were not being sent have been fully restored following the service interruption, which began at [2026-07-01 16:16] UTC. Full resolution has been confirmed effective [2026-07-16 08:53] UTC. Thank you for your patience and understanding as we worked to restore services. If you have any questions, please contact api.support.vonage.com.

Vonage services continue to show signs of recovery following the interruption in WebSocket connections, where authentication headers are not being sent. We'll continue to provide further updates here. Thank you for your patience and understanding as we work to restore services as quickly as possible. If you have any questions, please contact api.support.vonage.com

We have identified the issue that's impacting WebSocket connections where authentication headers are not being sent. We will continue to provide updates along the way until full service is restored. Thank you for your patience and understanding. If you have any questions, please contact api.support.vonage.com.

We are aware of an issue currently impacting Voice API WebSocket connections in the EU and APAC regions, where authentication headers are not being sent. We are actively working to resolve this as quickly as possible and will provide a further update within 1 hour. Thank you for your patience and understanding. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We have been notified by our supplier about SMS delivery degradation towards Ethiopian Telecom / MTN. You may experience irregular delivery with inconsistent delivery times while sending towards this network. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. Please contact support@api.vonage.com if you have any questions.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We are currently experiencing degradation of the Silent Authentication service, which is affecting the Orange network. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We are currently observing SMS delivery degradation towards Italy Vodafone. You may experience missing and delayed messages and delivery receipts for outbound messages. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

We have confirmed that the third-party disruption affecting the Number Deactivation Feed has been resolved. Services have been restored and are operating normally. We have identified a limited number of customers who may have been impacted during this disruption. Our team will be reaching out directly to those specific customers to provide further details and any necessary remediation. If you believe you were affected and have not heard from us, please contact us at api.support.vonage.com. Thank you for your patience and understanding.

We are aware of issues that may be impacting some Vonage customers' number deactivation services due to a third party interruption that is affecting multiple providers. We are working closely with our third party as they work to resolve the issue. We'll provide further updates within the next hour. Thank you for your patience and understanding. If you have any questions, please contact api.support.vonage.com.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We are currently observing SMS delivery degradation for domestic pre-registered brands. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

Please be advised that we are observing SMS delivery degradation towards Axaiata. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

Vonage services have been fully restored following today’s service interruption reported by our vendor, which began at 2026-07-13 19:31 UTC. Full resolution of the incident has been confirmed effective 2026-07-13 22:07 UTC. Thank you for your patience and understanding as we worked with our vendor to restore services as quickly as possible. If you have any questions, please contact api.support.vonage.com.

Thank you for your patience following our third party vendor's reported service interruption earlier today which may have impacted your outbound Voice and SMS API services in the US and EU regions. Our vendor has identified the issue and applied initial mitigations, and continues to report early signs of recovery across affected services. We remain engaged with them as recovery continues. We’ll provide further updates within 2 hours and once full service is restored. If you have any questions, please contact api.support.vonage.com.

Following a service interruption reported by our third party vendor, we continue to monitor the impact to some Vonage services, which may have impacted your outbound Voice and SMS API services in the US and EU regions. Our vendor has identified the issue and applied initial mitigations, and we remain closely engaged with them as they work to resolve the issue. We'll provide further updates within 2 hours and once full service is restored. Thank you for your patience and understanding. If you have any questions, please contact api.support.vonage.com

We are aware of issues that may be impacting your Voice and SMS API services. We are working to resolve the issue as soon as possible. We’ll provide further updates within 60 minutes. Thank you for your patience and understanding. If you have any questions, please contact api.support.vonage.com.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We are currently observing SMS delivery degradation towards Nigeria-MTN network. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We are continuing to investigate this issue.

We are currently experiencing message delivery issues impacting SMS traffic towards T-Mobile USA. As a result, you may experience delays, failures or missing delivery receipts for outbound messages. Our supplier is aware of this issue and investigating the root cause as a matter of urgency. We will post an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

We have been notified by our supplier that on 10-Jul-2026 between 15:00 and 20:00 UTC, the supplier will be performing maintenance on their platform.During the maintenance window, you may experience call failure to/from our Japan long virtual numbers.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Between 10-July-2026 04:00 UTC to 10-July-2026 12:00 UTC, Mobile operator Telcel will be performing maintenance on their SMS platform.During this maintenance period, there may be difficulties in delivering messages to subscribers of this operator.If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

Please be advised that we are observing SMS delivery degradation towards Natcom. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

Please be advised that we are observing SMS delivery degradation towards Natcom.We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Between 9 July 2026 at 22:00 and 10 July 2026 01:00 (UTC), the supplier will be performing maintenance on their platform affecting SMS towards MTS in Russia.During the maintenance window, you may experience SMS Inbound and Outbound degradation and delays to subscribers of this operator.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

To ensure platform stability, our upstream partner will conduct maintenance between 07-July-2026 01:00 UTC and 10-July-2026 02:00 UTC.During this window, users may experience intermittent latency for Silent Authentication requests on the AT&T network.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Between 09-July-2026 20:00 UTC and 10-July-2026 00:00 UTC, Russian Mobile operator Megafon will be performing maintenance on their SMS platform.During this maintenance period, there may be difficulties in delivering messages to subscribers of this operator.If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We are continuing to investigate this issue.

We are currently experiencing message delivery issues impacting SMS traffic towards T-Mobile USA. As a result, you may experience delays, failures or missing delivery receipts for outbound messages. Our supplier is aware of this issue and investigating the root cause as a matter of urgency. We will post an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

Please be advised that we have been notified of a message delivery degradation towards MTN network in South Africa. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We are continuing to investigate this issue.

We are currently experiencing message delivery issues impacting SMS traffic towards T-Mobile USA. As a result, you may experience delays, failures or missing delivery receipts for outbound messages.Our supplier is aware of this issue and investigating the root cause as a matter of urgency. We will post an update as soon as more information becomes available.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

To ensure the highest standards and availability of our services, Vonage is scheduling an internal planned maintenance on our SMS termination platform. This work may cause a temporary impact on MT SMS traffic, MO SMS traffic, and DLRs(delivery receipts) towards a subset of Toll-Free numbers.Date - 9th July 2026Maintenance Window: 8:00 - 11:00 UTCDuring this time, you may experience brief delays in SMS and MMS MO, MT, and DLR.We apologise for any inconvenience this may cause and appreciate your understanding. For any questions, don't hesitate to get in touch with support@api.vonage.com.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

Please be advised that we have been notified of a message delivery degradation towards MTN network in South Africa.We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

On 2026-Jul-9 between 03:00 UTC and 07:00 UTC, the supplier will be performing maintenance on their platform, affecting SMS and MMS sent from/to Toll-Free numbers in the US and CA.During the maintenance window, you may experience SMS and MMS Inbound, Outbound, and Delivery receipt delays.If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

Please be advised that we are observing SMS delivery degradation towards Telstra. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Between 08-July-2026 20:00 UTC and 09-June-2026 02:00 UTC, Mobile operators Altel/Tele2 will be performing maintenance on their SMS platform.During this maintenance period, there may be difficulties in delivering messages to subscribers of this operator.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Between 8 July 2026 at 22:00 and 9 July 2026 04:00 (UTC), the supplier will be performing maintenance on their platform affecting SMS towards Tele2 in Russia.During the maintenance window, you may experience SMS Inbound and Outbound degradation and delays to subscribers of this operator.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

On 8th July 2026 between 22:00 UTC and 9th July 2026 04:00 UTC, Altel and Tele2 Kazakhstan will be performing a scheduled maintenance.During the maintenance window, you may potentially experience message delivery degradation and latency on SMS for Altel and Tele2 subscribers.If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

Please be advised that we are observing SMS delivery degradation towards Telstra.We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.If you have any questions, please contact api.support.vonage.com

Vonage services have been fully restored following a brief interruption to PSTN calling for the Singapore region, which began at 2026-07-08 14:14 UTC. Full resolution has been confirmed effective 2026-07-08 14:56 UTC. Impacted customers will receive a formal RFO. Thank you for your patience and understanding as we worked to restore services as quickly as possible. If you have any questions, please contact api.support.vonage.com.

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

On 8th July 2026 between 15:00 UTC and 19:30 UTC, the operator Softbank Japan will be performing maintenance on their SMS platform.During this maintenance period, there may be SMS delivery delays to subscribers of this operator.If you have any questions, please contact api.support.vonage.com

Vonage services have been fully restored following a brief interruption to PSTN calling for the Singapore region, which began at 2026-07-08 14:14 UTC. Full resolution has been confirmed effective 2026-07-08 14:56 UTC. Impacted customers will receive a formal RFO. Thank you for your patience and understanding as we worked to restore services as quickly as possible. If you have any questions, please contact api.support.vonage.com.

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

On 8th July 2026 between 08:30 UTC to 14:30 UTC, the operator will be performing maintenance on their SMS platform towards subset of Italy LVNs.During this maintenance period, we are not expecting any SMS delivery issue towards subset of Italy LVNs.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

On 8th July 2026 between 08:00 AM (UTC) and 9:30 AM (UTC), there will be a maintenance affecting USA and AU MMS.During the maintenance window, you may experience MT, DLR and MO delays or failures for US and AU MMS.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

On 2026-Jul-8 between 03:00 UTC and 09:00 UTC, the supplier will be performing maintenance on their platform, affecting SMS and MMS sent to AT&T long codes and Toll-Free numbers in the US.During the maintenance window, you may experience missing or delayed outbound SMS and MMS for long codes and Toll-Free numbers traffic sending to AT&T USAIf you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

We will be undergoing scheduled maintenance during this time.

To ensure the continued reliability of our services, we are performing emergency internal maintenance on our Voice termination platform on 14th July 2026, 07:00 - 07:30 UTCImpact: No customer impact is expected. During the maintenance window, a brief/transient disruption to outbound Voice traffic to multiple networks in France may occur.We apologise in advance for any inconvenience this may cause. If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Between 07-July-2026 22:00 UTC and 08-July-2026 03:00 UTC, Russian Mobile operator Beltelecom will be performing maintenance on their SMS platform.During this maintenance period, there may be difficulties in delivering messages to subscribers of this operator.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Between 2026-07-08 00:00 UTC and 02:00 UTC, we will be performing maintenance towards AT&T in USA.During the maintenance window, you may potentially experience delayed MMS message delivery towards the subscribers of AT&T USA.SMS traffic will not be impacted.

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Between 07 July 2026 20:00 UTC to 08th July 2026 01:00 UTC, the operator MOTIV will perform maintenance on their SMS platform.During this maintenance period, there may be difficulties in delivering messages to this operator's subscribers.If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

We are observing SMS delivery degradation towards MIC/Zantel Tanzania network. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

We are observing SMS delivery degradation towards MIC/Zantel Tanzania network.We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.If you have any questions, please contact api.support.vonage.com

The scheduled maintenance has been completed.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

On 07-July-2026 between 09:00 UTC and 11:00 UTC, a subset of small networks will be performing maintenance on their platforms.During the maintenance window, you may experience SMS Inbound, Outbound and Delivery receipt delays.If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

Please be advised that we are observing SMS delivery degradation towards Lumitel. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We have detected degradation affecting 10DLC numbers towards multiple networks. As a result of this issue, inbound/outbound messages and delivery receipts may be impacted. We will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com.

This incident has been resolved.

Please be advised that we are observing SMS delivery degradation towards Lumitel.We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

Please be advised that we are observing SMS delivery degradation towards 1&1. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We have detected degradation affecting 10DLC numbers towards multiple networks. As a result of this issue, inbound/outbound messages and delivery receipts may be impacted. We will issue an update as soon as more information becomes available.If you have any questions, please contact api.support.vonage.com.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

Please be advised that we are observing SMS delivery degradation towards 1&1.We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.If you have any questions, please contact api.support.vonage.com