Arize Phoenix · Rate Limits

Phoenix Rate Limits

Name: Phoenix Rate Limits
Creator: Arize Phoenix
Keywords: LLM Observability, AI Evaluation, OpenTelemetry, Tracing, LLMOps, AI Monitoring, Open Source, Prompt Engineering, Datasets, Experiments

Rate limits for the Arize Phoenix REST API vary by deployment type and plan. Self-hosted deployments have no enforced API rate limits beyond hardware capacity. The managed Arize AX cloud service enforces monthly volume limits on trace spans and data ingestion, with additional per-request limits applied at the HTTP layer. Authentication is required for all API calls via bearer token (API key).

Phoenix Rate Limits is the machine-readable rate-limit profile for Arize Phoenix on the APIs.io network, conforming to the API Commons Rate Limits specification.

It captures 4 rate-limit definitions.

Tagged areas include LLM Observability, AI Evaluation, OpenTelemetry, Tracing, and LLMOps.

4 Limits

LLM ObservabilityAI EvaluationOpenTelemetryTracingLLMOpsAI MonitoringOpen SourcePrompt EngineeringDatasetsExperiments

Limits

global

monthly

Monthly volume limits reset on the billing cycle. Requests exceeding monthly limits may be rejected or queued depending on overage settings.

monthly

Pro plan includes overage pricing to continue beyond monthly allocation rather than hard-blocking requests.

custom