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TruLayer is a reliability platform for AI applications. Instrument your app with one of our SDKs, and you get end-to-end traces of every prompt, tool call, retrieval, and response — plus automated evaluations, user feedback capture, and real-time failure detection.

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Start here

Quickstart

Install the SDK and send your first trace in under 10 minutes.

Core concepts

Understand traces, spans, sessions, evals, feedback, and metrics.

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SDKs

Python SDK

pip install trulayer — auto-instrumentation for OpenAI, Anthropic, LangChain.

TypeScript SDK

npm install @trulayer/sdk — zero-dependency, Node/Edge/Bun compatible.

Go SDK

go get github.com/trulayer/client-go — zero-dependency, goroutine-safe.

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Reference

HTTP API

Every endpoint, request shape, and response — auto-generated from our OpenAPI spec.

Dashboard

Traces, evals, metrics, failures, and team settings.

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What TruLayer gives you

  • Observability — full trace capture (prompt → tools → outputs), session replay, failure classification.
  • Evaluations — automated eval pipelines with metrics for correctness, hallucination, and safety; regression testing against datasets.
  • Debugging — step-by-step reasoning inspection, tool-call validation, error clustering.
  • Feedback — user feedback ingestion, auto-labeling, continuous dataset generation.
  • Control — real-time failure detection, auto-retry and fallback strategies, dynamic model routing.
New here? The Quickstart gets you from zero to a trace in the dashboard in under 10 minutes. If you prefer to understand the model before writing code, start with Core concepts.