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Alex Spinov
Alex Spinov

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OpenObserve Has a Free API — Logs, Metrics, and Traces in One Platform

OpenObserve is an open-source observability platform that handles logs, metrics, and traces. It uses 140x less storage than Elasticsearch and is much simpler to operate.

What Is OpenObserve?

OpenObserve (formerly ZincObserve) is a cloud-native observability platform. It replaces the ELK stack with a single binary.

Key advantages:

  • 140x less storage than Elasticsearch
  • Single binary, no JVM
  • Embedded GUI (no Kibana needed)
  • S3/MinIO storage backend
  • SQL-based query language

Quick Start

# Single binary
curl -L https://raw.githubusercontent.com/openobserve/openobserve/main/download.sh | sh

# Or Docker
docker run -p 5080:5080 -e ZO_ROOT_USER_EMAIL=admin@example.com -e ZO_ROOT_USER_PASSWORD=admin public.ecr.aws/zinclabs/openobserve:latest
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UI: http://localhost:5080

REST API

# Ingest logs
curl -X POST http://localhost:5080/api/default/myapp/_json \
  -u admin@example.com:admin \
  -d '[{"level":"info","message":"App started","timestamp":"2026-03-28T10:00:00Z"},{"level":"error","message":"DB connection failed","timestamp":"2026-03-28T10:01:00Z"}]'

# Search logs
curl -X POST http://localhost:5080/api/default/_search \
  -u admin@example.com:admin \
  -d '{"query":{"sql":"SELECT * FROM myapp WHERE level=\"error\" ORDER BY _timestamp DESC LIMIT 10"},"from":0,"size":10}'
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Use Cases

  1. Log aggregation — centralized logging
  2. Application monitoring — metrics and traces
  3. Security analytics — SIEM alternative
  4. Cost reduction — replace expensive ELK/Datadog
  5. Compliance — long-term log retention on S3

OpenObserve vs Alternatives

Feature OpenObserve Elasticsearch Datadog
Storage 140x less Baseline Cloud
Setup 1 min 30 min Cloud
Price Free/OSS Free/OSS Expensive
JVM needed No Yes N/A
GUI included Yes Need Kibana Yes

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