Axiom

Free plan APIWeb

What Axiom is

Axiom is a cloud machine data platform for ingesting, storing, querying, and monitoring logs, traces, metrics, and events. It brings these observability data together and supports navigation from metrics to traces to logs. Users can query with APL, a piped query language, and use MPL for metrics. Axiom accepts OTLP, JSON, CSV, and Elasticsearch Bulk API data, discovering schemas as data arrives. It also provides log pipelines, live log tailing, structured parsing, and archive export.

Axiom describes its event store as fully managed, with schema-less ingestion at petabyte scale and over 95% compression. For AI engineering, it records prompts and responses, model and route details, token use, cost, and safety signals, and supports evaluations and experiments. Integrations include OpenTelemetry, Vector, Fluent Bit, AWS services, Vercel, Cloudflare, Kubernetes, and SDKs for Go, Python, Node.js, Rust, Java, Ruby, .NET, and Flutter. Axiom lists TLS 1.2+ in transit, AES-256 encryption at rest, tenant isolation, and query-time redaction. Its Personal plan costs nothing, is permanent, requires no credit card, and includes 30-day retention. Axiom Cloud costs $25 a month plus usage and offers configurable retention.

Who it suits

Axiom's free Personal plan is intended for individual developers and small projects that need log and observability data collection, querying, and monitoring. Axiom Cloud is aimed at teams scaling from an initial deployment to hyperscale, with configurable retention and email support.

What it does well

Combines logs, traces, metrics, and events in one platform.
Supports APL queries and MPL for metrics.
Accepts OTLP, JSON, CSV, and Elasticsearch Bulk API data.
Includes live log tailing, log pipelines, and structured parsing.
Offers integrations across observability tools, cloud services, and SDKs.
Lists encryption, tenant isolation, and query-time redaction.

What to know first

Personal plan retention is limited to 30 days.
Personal plan storage is limited to 25 GB.
Axiom Cloud starts at $25 a month plus usage.

Limits

The free Personal plan has 30-day retention, 500 GB/mo data loading compute, 10 GB-hours query compute, and 25 GB storage. Axiom Cloud includes configurable retention and an Always Free allowance of 1 TB data loading compute, 100 GB-hours query compute, and 100 GB storage.

Plans

Plan	Billed and limits	Price
Free	Free tier · 500 GB ingestion per month · 30 days retention	Free
Usage-based	Usage-based ingestion pricing · Hosted observability and log analytics	On request
Personal	Permanent; no credit card required · 500 GB/mo data loading compute · 10 GB-hours query compute · 25 GB storage · 30-day retention · Full APL access · Community support	Free
Axiom Cloud	Platform fee + usage; no minimum commitment · Always Free allowance: 1 TB data loading compute / 100 GB-hours query compute / 100 GB storage · Configurable retention · All integrations · Email support	$25 a month

As axiom.co lists them, read 24 Sept 2026. The maker's own page has the final word.

Getting started

Open the Axiom website.
Choose the Personal plan or Axiom Cloud.
For the Personal plan, create an account without a credit card; it is listed as permanent and free.
Send data using a supported format such as OTLP, JSON, CSV, or Elasticsearch Bulk API.
Connect integrations such as OpenTelemetry, Kubernetes, or an available SDK.

Verdict

Choose Axiom if you want a cloud platform that brings logs, traces, metrics, and events together, with a permanent free Personal plan for individual developers and small projects. Teams needing configurable retention, all integrations, or email support can consider Axiom Cloud, which has a $25 a month platform fee plus usage.

Questions

Does Axiom have a free plan?

Yes. The Personal plan is free, permanent, and does not require a credit card. It includes 500 GB/mo data loading compute, 10 GB-hours query compute, 25 GB storage, and 30-day retention.

How much does Axiom Cloud cost?

Axiom Cloud is listed at $25 a month as a platform fee plus usage, with no minimum commitment.

Which data formats does Axiom accept?

Axiom accepts OTLP, JSON, CSV, and the Elasticsearch Bulk API.

What integrations are available?

Listed integrations include OpenTelemetry, Vector, Fluent Bit, AWS services, Vercel, Cloudflare, Kubernetes, and SDKs for Go, Python, Node.js, Rust, Java, Ruby, .NET, and Flutter.

What security and compliance provisions does Axiom list?

Axiom lists TLS 1.2+ in transit, AES-256 encryption at rest, tenant isolation, and query-time redaction. It also lists SOC 2 Type II, ISO 27001, GDPR support, HIPAA BAA availability, and regional data residency.

What support comes with the plans?

The Personal plan includes community support. Axiom Cloud includes email support, with paid SLA and dedicated support available.

Facts from Axiom's own pages

Access controls: The security page lists SAML and OIDC single sign-on, SCIM provisioning, and role-based access controls scoped to datasets and actions. · axiom.co, 9 Oct 2026
AI engineering: Axiom records AI prompt and response data, model, route, token use, cost, and safety signals, and supports evaluations and experiments. · axiom.co, 9 Oct 2026
Architecture: The platform describes petabyte-scale schema-less ingestion, a fully managed event store, and over 95% compression. · axiom.co, 9 Oct 2026
Compliance: Axiom lists SOC 2 Type II, ISO 27001, GDPR support, HIPAA BAA availability, and regional data residency. · axiom.co, 9 Oct 2026
Deployment options: cloud · axiom.co, 24 Sept 2026
Free plan: Yes · axiom.co, 24 Sept 2026
Headquarters: San Francisco, California, United States · axiom.co, 28 Sept 2026
Ingest formats: Axiom accepts OTLP, JSON, CSV, and the Elasticsearch Bulk API, and discovers schema on arrival. · axiom.co, 9 Oct 2026
Integrations: The integrations page lists OpenTelemetry, Vector, Fluent Bit, AWS services, Vercel, Cloudflare, Kubernetes, and SDKs including Go, Python, Node.js, Rust, Java, Ruby, .NET, and Flutter. · axiom.co, 9 Oct 2026
Intended users: Axiom describes its Personal plan as intended for individual developers and small projects, and Axiom Cloud as for teams scaling from first deployment to hyperscale. · axiom.co, 9 Oct 2026
Limits: The Personal plan has a 30-day retention window and allowances of 500 GB/mo data loading compute, 10 GB-hours query compute, and 25 GB storage. · axiom.co, 9 Oct 2026
Live log tailing: Yes · axiom.co, 24 Sept 2026
Log pipelines: Yes · axiom.co, 24 Sept 2026
Observability: Axiom brings logs, traces, and metrics together and supports navigation from metrics to traces to logs. · axiom.co, 9 Oct 2026
Product: Axiom is a machine data platform for ingesting, storing, querying, and monitoring logs, traces, metrics, and events. · axiom.co, 9 Oct 2026
Querying: Axiom supports APL, a piped query language, and MPL for metrics. · axiom.co, 9 Oct 2026
Log retention: 30 · axiom.co, 24 Sept 2026
Security: Axiom states that it uses TLS 1.2+ in transit and AES-256 encryption at rest, and provides tenant isolation and query-time redaction. · axiom.co, 9 Oct 2026
Structured log parsing: Yes · axiom.co, 24 Sept 2026
Support: Axiom Cloud includes email support, with paid SLA and dedicated support available; the Personal plan includes community support. · axiom.co, 9 Oct 2026