What is a log API? A practical developer’s guide
Understand logging libraries, ingestion endpoints, and query interfaces—and build an event contract that connects them.
Go from an event idea to a clear schema, a working local example, and a deliberate delivery plan. No account or API key required.
Start with the quickstartRun a complete Python or JavaScript example locally and inspect the JSON it produces.
Explore the guideRead the sample envelope and download its machine-readable JSON Schema.
Explore the guideSwitch between six synthetic event types and copy or download the exact JSON.
Explore the guideReason about acknowledgments, retries, queue limits, and duplicate records.
Explore the guideUnderstand stdout, collector, access-log, and AI instrumentation patterns.
Explore the guideExplore ten deeper guides on the questions behind better logging.
Explore the guideThese resources are implementation patterns, not a hosted API or an official SDK. The local examples do not send data to LogAPI.com.
Understand logging libraries, ingestion endpoints, and query interfaces—and build an event contract that connects them.
Define meaningful fields, preserve data types, and evolve your event schema without breaking downstream readers.
Define delivery guarantees, bound your buffers, and make duplicate records and pipeline failures visible.