Arize Phoenix · Rate Limits

Phoenix Rate Limits

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, in the API Commons Rate Limits shape.

It captures 4 rate-limit definitions.

This profile was written by API Evangelist and has not been verified against a page the provider published; treat every limit as unconfirmed until a dated transcription replaces it.

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

4 Limits
Method: generated.
Written by API Evangelist and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
View Source
LLM ObservabilityAI EvaluationOpenTelemetryTracingLLMOpsAI MonitoringOpen SourcePrompt EngineeringDatasetsExperiments

Limits

globalPhoenix Open Source (Self-Hosted)
monthlyAX Free
Monthly volume limits reset on the billing cycle. Requests exceeding monthly limits may be rejected or queued depending on overage settings.
monthlyAX Pro
Pro plan includes overage pricing to continue beyond monthly allocation rather than hard-blocking requests.
customAX Enterprise

Work with this as data

Every rate limit here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for rate limits

4 MCP tools reach this
  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This rate limit 
curl "https://apis.io/api/v1/rate-limits/phoenix-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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