# WhatsApps sending through API - Provider: [Sinch](https://down.guide/providers/sinch) - Confidence: Confirmed - Impact: Partial outage - lasted 1d 3h - started 2026-04-20 10:03 UTC - Campaigns API (France πŸ‡«πŸ‡·), Campaigns API (Europe πŸ‡ͺπŸ‡Ί), Campaigns API (North America πŸ‡ΊπŸ‡Έ / πŸ‡¨πŸ‡¦) - eu, us - id: DWN-e8eaeb7336 - Official page: https://stspg.io/2wh3vww08rdm ## Updates from Sinch ### 2026-04-20 10:03 UTC: investigating Sending WhatsApps messages through API is not working since we do not provide requirement fields to identify WhatsApps Template. ### 2026-04-20 10:08 UTC: investigating WhatsApps sendings through web application is working. ### 2026-04-20 13:44 UTC: identified The issue has been identified and a fix is being implemented. ### 2026-04-21 09:49 UTC: identified We are continuing to work on a fix to this issue, it'll be deployed this afternoon. ### 2026-04-21 13:50 UTC: monitoring A fix has been implemented and we are monitoring the results. ### 2026-04-21 13:50 UTC: resolved This incident has been resolved. From the builder: does your app depend on Sinch? [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=sinch) detects problems in your own logs without hand-written monitors, and you can ask it in plain language which errors mention Sinch. --- down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=DWN-e8eaeb7336), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.