Grafana Loki Has a Free API — Log Aggregation Without the Cost

Grafana Loki is a log aggregation system inspired by Prometheus. It indexes labels, not content — making it 10x cheaper than Elasticsearch for logs. What Is Loki? Loki stores logs efficiently by only indexing metadata (labels) while keeping log lines compressed in object storage. Query with LogQL. Why Loki? 10x cheaper than Elasticsearch Native Grafana integration Prometheus-like label model S3/GCS/MinIO storage Multi-tenant Quick Start docker run -p 3100:3100 grafana/loki:latest HTTP API # Push logs curl -X POST http://localhost:3100/loki/api/v1/push \ -H "Content-Type: application/json" \ -d '{"streams":[{"stream":{"app":"myapp","level":"error"},"values":[["1679500000000000000","Connection refused to database"]]}]}' # Query logs curl -G http://localhost:3100/loki/api/v1/query_range \ --data-urlencode "query={app= \" myapp \" }" \ --data-urlencode "limit=10" # Query with filter curl -G http://localhost:3100/loki/api/v1/query_range \ --data-urlencode "query={app= \" myapp \" } |= \" er