Telemetry cost calculator

Estimate your monthly plan cost using event volume, payload size, retention, query runtime, and team size.

Estimate monthly cost

Evidence and benchmark protocol

See what our public tests cover and how to repeat them with your own workload.

Review the evidence

Interactive SQL lab

Run SQL in your browser on a 15-table SaaS database with more than 10,000 rows. Follow database reliability lessons, or download the data as DuckDB seed SQL, JSON, or CSV.

Run the lab

Free classroom data lessons

Review three independent, teacher-facing data activities. The sensor and prototype lessons support six languages; the earthquake lesson supports English, Spanish, and Chinese. No student account is needed.

Browse lessons

Student project lesson: prototype events

A 20-minute fictional app-event exercise for student builders. Includes printable student and teacher PDFs, a CSV, and an optional account-free SQL check.

Open the prototype lesson

Classroom lesson: sensor retries

A 15-minute, fictional data exercise for grades 9–12. Compare delivered messages with distinct measurements on paper or with a CSV. No account or student data needed.

Open the lesson

Classroom lesson: earthquake data

A 35–45 minute lesson for grades 9–12 using a fixed week of real USGS records. Includes a handout, teacher guide, slides, workbook, and CSV; no account needed.

Open the earthquake lesson

SaaS dashboard examples

Browse six dashboards with DataFusion SQL and chart previews. Each explains its metrics, data freshness, and limits.

Browse dashboards

Event schema catalog

Copy event names and field definitions for product milestones, APIs, LLM calls, background jobs, billing, webhooks, and incidents.

Browse event schemas

SQL recipe cookbook

Copy complete DataFusion SQL with typed event schemas, synthetic results, visualizations, edge cases, dashboards, and alert guidance.

Browse recipes

SQL observability guide

Learn the event model, dimensions, measures, identity rules, SQL patterns, visualization choices, and safe migration path behind the cookbook.

Learn SQL observability

Product documentation

Send events, design schemas, query DataFusion, build dashboards, create alerts, export results, and troubleshoot production workflows.

Read documentation

Inside the SQL alert evaluator

See how Telemetry schedules saved SQL, selects and aggregates results, records alert state changes, and sends email.

Inspect alert evaluation

Integration guides

Add events to your framework, queue, model provider, database, edge runtime, or orchestration tool when work completes or fails.

Find an integration

Implementation templates

Copy event definitions and setup instructions for AI agents, API reliability, background jobs, webhooks, retention, and databases.

Use a template

Use-case guides

Choose what to measure, which events to capture, and which decisions the resulting SQL should support.

Choose a use case

Product comparisons

Review sourced differences in event model, operations, query workflow, and pricing assumptions before choosing a platform.

Compare approaches

Customer stories

Read customer feedback and try the related event examples and SQL.

Read customer stories

Agent prompt pack

Give your coding agent a prompt that specifies what to measure, what data to exclude, and how to test delivery.

Copy a prompt

skill.md for coding agents

Give Claude Code, Codex, Cursor, or another coding agent reviewed instructions for safe structured events, SQL dashboards, and verification.

Open the skill guide

Runnable SaaS demo

Send a deterministic multi-step workflow, query its reliability and cost summary, and inspect the complete Node.js source.

Run the demo

Security and data handling

Review the documented data flow, API-key boundaries, retention and deletion controls, and questions that require a current security review.

Review security

Product and content changelog

See what changed in the SQL lab, docs, recipes, and other Telemetry resources.

Read the changelog

Learn

Start with the SQL lab or docs to learn how events and queries work. Run the examples as you go.

Implement

Know what you want to measure? Choose an integration guide, template, or agent prompt to add the events.

Evaluate

Read customer stories, comparisons, test methods, and security docs to decide whether Telemetry fits your requirements.