# Trace ingestion on POST /api/public/ingestion stops working

Calls to POST /api/public/ingestion on Langfuse stop working on November 16, 2026.

- API: Langfuse (cloud.langfuse.com)
- Kind: Endpoint removal
- Announced: August 17, 2026
- Takes effect: November 16, 2026
- Calls after that day: fail
- Calls it hits: `POST /api/public/ingestion`
- Source: [Announcement](https://langfuse.com/faq/all/deprecated-api-migration)
- Page: https://www.okapi.bot/providers/langfuse/breaking-changes/trace-ingestion-on-post-api-public-ingestion-stops-working/

## What to use instead

Send traces to POST /api/public/otel/v1/traces (OTLP/HTTP) with the x-langfuse-ingestion-version: 4 header, or upgrade the SDK (Python 4.7.0, JS/TS 5.4.0 or later); score-create batches sent to /api/public/ingestion keep working, nothing to change for them.