Sinch — status

As part of our commitment to platform reliability, security, and scalability, Sinch is adding a brand-new, high-efficiency site to our core SMSC billing and messaging routing engine product. This site expansion introduces a next-generation, high-performance architecture to significantly increase our regional capacity, improve overall platform stability, and ensure robust message processing. New Regional Connection Endpoints that are planned to go live 2026-10-01 during the target window: US SMPP: us6.smpp.api.sinch.com: US HTTP SMS: us6.httpsms.api.sinch.com US Lookup API: us6.httplookup.api.sinch.com Type: Service Announcement & Maintenance Maintenance start time: 2026-10-01 07:00 UTC Maintenance end time: 2026-10-01 08:00 UTC Action Required: Firewall Whitelisting To ensure uninterrupted message delivery as we scale our traffic to include this new site we request that you update your firewall settings. Affected API Endpoint: (This change only affects customers connecting to either of the following US endpoints) US SMPP: us1.smpp.api.sinch.com and/or us7.smpp.api.sinch.com US HTTP SMS: us1.httpsms.api.sinch.com and/or us7.httpsms.api.sinch.com US Lookup API: us1.httplookup.api.sinch.com and/or us7.httplookup.api.sinch.com IP Addresses to Whitelist Please coordinate with your network security team to whitelist these target IP addresses: 35.95.194.74 44.239.11.143 52.32.122.205 If for any reason the maintenance is extended, cancelled, or postponed, we will advise you accordingly. Please contact [email protected] should you require further information or assistance.

Started 1 oct. 2026, 07:00 UTC · Ongoing

Important Update: Format change in the price list for the Verification service. We are updating the format of the Verification price list file generated from the Sinch Dashboard. Please review and update your local import routines or automated scripts to accommodate the two new columns before the effective date. What is changing? New columns: Mobile Country Code (MCC) and Mobile Network Code (MNC) are being added. Location: These will be placed next to the existing Country column. When is this happening? Effective date: 2026-09-02 Please contact [email protected] should you require further information or assistance.

Started 2 sept. 2026, 08:00 UTC · Ongoing

Dear Client, We will be performing planned network maintenance on the US1 Network Hub. Impact: clients may experience intermittent delays or failures for MT and MO traffic to and from the following countries: Bolivia Brazil Canada Chile Costa Rica Guatemala Paraguay Peru Puerto Rico United States Uruguay Start time: 2026-09-02 08:00 UTC End time: 2026-09-02 11:00 UTC If for any reason the maintenance is extended or cancelled we will advise you accordingly. Please contact [email protected] should you require further information or assistance.

Started 2 sept. 2026, 08:00 UTC · Ongoing

We are writing to inform you that as part of our continuous efforts to improve the performance and reliability of our platform, we will be performing a maintenance on our SG1 network infrastructure. Maintenance Start Time: 2026-09-02 00:00 UTC Maintenance End Time: 2026-09-02 02:00 UTC Potential service-impact duration: Approximately 5–10 minutes within the maintenance window.

Started 2 sept. 2026, 00:00 UTC · Ongoing

We will be performing a maintenance on our connections towards Norway - Telia. Type: Scheduled Maintenance - Norway - Telia Maintenance Start Time: 2026-09-01 21:00 UTC Maintenance End Time: 2026-09-01 23:00 UTC Impact MT: Clients may experience delayed or failed MT traffic for outbound messages sent to Norway - Telia. Impact DR: Clients may experience delayed or failed delivery receipts for MT traffic sent to Norway - Telia. We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled, we will advise you accordingly. Please contact [email protected] should you require further information or assistance.

Started 1 sept. 2026, 21:00 UTC · Ongoing

Dear Client, Sinch will be performing a scheduled maintenance on our US Shortcode Products. As part of this update, clients may see a delays or failures during delivery from Shortcodes sending to US Devices. Start Time: 2026-09-01 09:00 UTC End Time: 2026-09-01 10:00 UTC We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled we will advise you accordingly.

Started 1 sept. 2026, 09:00 UTC · Ongoing

Dear Client, We are reaching out to inform you that maintenance will be performed on our AU2 network infrastructure during the scheduled time window below. Type: Network Maintenance Affected Site: AU2 Maintenance start time: 2026-08-27 12:00 UTC Maintenance end time: 2026-08-27 14:00 UTC Impact: Customers may experience multiple brief connectivity issues during this maintenance when connecting to the endpoints listed below. Impacted endpoints: au1-2.smpp.api.sinch.com au1-2.httpsms.api.sinch.com To avoid connectivity issues, we recommend connecting to the below available endpoints during the maintenance window. Available endpoints: au1-1.smpp.api.sinch.com au1-1.httpsms.api.sinch.com If for any reason the maintenance is extended or cancelled we will advise you accordingly. Please contact [email protected] should you require further information or assistance.

Started 27 aug. 2026, 12:00 UTC · Ongoing

We are writing to inform you that as part of our continuous efforts to improve the performance and reliability of our platform, we will be performing a scheduled maintenance on MMS platform at the times specified below. Type: Maintenance - MMS Start Time: 2026-08-27 08:00 UTC End Time: 2026-08-27 10:30 UTC Impact MMS: MMS US, MMS AU, MMS CA. Customers may experience intermittent delays during the maintenance window due to queued messages. All queued messages will be processed after the upgrade. We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled, we will advise you accordingly. Please contact [email protected] should you require further information or assistance.

Started 27 aug. 2026, 08:00 UTC · Ongoing