Helicone

aid: helicone
url: >-
  https://raw.githubusercontent.com/api-evangelist/helicone/refs/heads/main/apis.yml
apis:
  - aid: helicone:helicone
    name: Helicone
    tags:
      - AI Gateways
      - Gateways
      - LLM Routing
    humanURL: ' https://www.helicone.ai/'
    properties:
      - url: ' https://www.helicone.ai/'
        type: Documentation
      - url: https://docs.helicone.ai/
        type: Documentation
      - url: https://docs.helicone.ai/getting-started/quick-start
        type: GettingStarted
      - url: https://docs.helicone.ai/getting-started/platform-overview
        type: PlatformOverview
      - url: https://us.helicone.ai/signup
        type: SignUp
      - url: https://us.helicone.ai/signin
        type: Login
      - url: https://us.helicone.ai/dashboard
        type: Portal
      - url: https://us.helicone.ai/developer
        type: DeveloperPortal
      - url: https://www.helicone.ai/pricing
        type: Pricing
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
      - url: https://docs.helicone.ai/rest/request/post-v1requestquery
        type: APIReference
      - url: https://docs.helicone.ai/helicone-headers/header-directory
        type: Headers
      - url: https://github.com/Helicone/helicone
        type: GitHubOrg
      - url: https://www.helicone.ai/blog
        type: Blog
      - url: https://www.helicone.ai/changelog
        type: ChangeLog
      - url: https://status.helicone.ai/
        type: StatusPage
      - url: https://www.helicone.ai/contact
        type: Contact
      - url: https://community.helicone.ai/
        type: Community
      - url: https://discord.gg/2TkeWdXNPQ
        type: Discord
      - url: https://twitter.com/helicone_ai
        type: Twitter
      - url: https://www.linkedin.com/company/helicone/
        type: LinkedIn
      - url: https://www.helicone.ai/privacy
        type: PrivacyPolicy
      - url: https://www.helicone.ai/terms
        type: TermsOfService
      - url: https://docs.helicone.ai/references/data-autonomy
        type: Security
      - url: https://docs.helicone.ai/getting-started/self-host/overview
        type: SelfHosted
    description: >-
      Helicone is an open-source LLM observability platform and AI gateway. The worlds
      fastest-growing AI companies rely on Helicone to route, debug, and analyze their
      applications. With one line of code, developers can monitor, evaluate, and experiment
      across 100+ AI models from providers including OpenAI, Anthropic, Google, and
      more.
  - aid: helicone:ai-gateway-api
    name: Helicone AI Gateway API
    tags:
      - AI Gateways
      - AI Models
      - Chat Completions
      - LLM Routing
    humanURL: https://docs.helicone.ai/gateway/overview
    baseURL: https://ai-gateway.helicone.ai
    properties:
      - url: https://docs.helicone.ai/gateway/overview
        type: Documentation
      - url: https://docs.helicone.ai/ai-gateway.openapi.json
        type: OpenAPI
      - url: https://docs.helicone.ai/rest/ai-gateway/post-v1-chat-completions
        type: APIReference
      - url: https://docs.helicone.ai/getting-started/quick-start
        type: GettingStarted
      - url: https://docs.helicone.ai/gateway/provider-routing
        type: ProviderRouting
      - url: https://www.helicone.ai/models
        type: Models
    description: >-
      The Helicone AI Gateway API provides OpenAI-compatible endpoints for
      routing requests to 100+ AI models across providers including OpenAI,
      Anthropic, Google, Groq, and more. It offers a unified API with
      automatic provider fallbacks, zero markup pricing, built-in
      observability, intelligent routing, prompt caching, error handling,
      and image generation support.
  - aid: helicone:request-api
    name: Helicone Request API
    tags:
      - Analytics
      - LLM Observability
      - Requests
    humanURL: https://docs.helicone.ai/rest/request/post-v1requestquery
    baseURL: https://api.helicone.ai
    properties:
      - url: https://docs.helicone.ai/rest/request/post-v1requestquery
        type: Documentation
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
      - url: openapi/helicone-openapi.yml
        type: OpenAPI
    description: >-
      The Helicone Request API allows developers to query, retrieve, and
      manage LLM request data. Endpoints include querying requests with
      filters, retrieving requests by IDs, submitting feedback and scores,
      uploading request assets, and updating request properties.
  - aid: helicone:prompt-api
    name: Helicone Prompt API
    tags:
      - Prompt Management
      - Prompts
      - Versioning
    humanURL: https://docs.helicone.ai/rest/prompts/post-v1prompt-2025
    baseURL: https://api.helicone.ai
    properties:
      - url: https://docs.helicone.ai/rest/prompts/post-v1prompt-2025
        type: Documentation
      - url: https://docs.helicone.ai/features/advanced-usage/prompts/overview
        type: Overview
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
    description: >-
      The Helicone Prompt API provides endpoints for creating, querying,
      updating, and deleting prompts and prompt versions. It supports prompt
      environments, tagging, versioning, and production deployment workflows
      for managing prompts across the development lifecycle.
  - aid: helicone:experiment-api
    name: Helicone Experiment API
    tags:
      - Datasets
      - Evaluations
      - Experiments
    humanURL: https://docs.helicone.ai/features/experiments
    baseURL: https://api.helicone.ai
    properties:
      - url: https://docs.helicone.ai/features/experiments
        type: Documentation
      - url: https://docs.helicone.ai/rest/experiment/post-v1experiment-evaluatorsrun
        type: APIReference
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
    description: >-
      The Helicone Experiment API enables developers to create experiment
      datasets, run evaluators, update experiment metadata, and manage
      experiment workflows. It supports systematic prompt experimentation
      and evaluation to optimize AI application performance.
  - aid: helicone:evals-api
    name: Helicone Evals API
    tags:
      - Evaluations
      - LLM Quality
      - Scoring
    humanURL: https://docs.helicone.ai/rest/evals/post-v1evals
    baseURL: https://api.helicone.ai
    properties:
      - url: https://docs.helicone.ai/rest/evals/post-v1evals
        type: Documentation
      - url: https://docs.helicone.ai/features/advanced-usage/scores
        type: Overview
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
    description: >-
      The Helicone Evals API provides endpoints for creating evaluations,
      querying evaluation results, retrieving scores, and analyzing score
      distributions. It enables developers to systematically assess and
      monitor the quality of their AI model outputs.
  - aid: helicone:session-api
    name: Helicone Session API
    tags:
      - Debugging
      - Sessions
      - Tracing
    humanURL: https://docs.helicone.ai/features/sessions
    baseURL: https://api.helicone.ai
    properties:
      - url: https://docs.helicone.ai/features/sessions
        type: Documentation
      - url: https://docs.helicone.ai/rest/session/post-v1sessionquery
        type: APIReference
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
    description: >-
      The Helicone Session API allows developers to query sessions, retrieve
      session metrics, and submit session feedback. Sessions enable tracing
      and debugging of multi-step LLM interactions and agent workflows in
      real time.
  - aid: helicone:user-api
    name: Helicone User API
    tags:
      - Analytics
      - Metrics
      - Users
    humanURL: https://docs.helicone.ai/features/advanced-usage/user-metrics
    baseURL: https://api.helicone.ai
    properties:
      - url: https://docs.helicone.ai/features/advanced-usage/user-metrics
        type: Documentation
      - url: https://docs.helicone.ai/rest/user/post-v1userquery
        type: APIReference
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
    description: >-
      The Helicone User API provides endpoints for querying user data,
      retrieving user metrics, and getting user metrics overviews. It
      enables developers to track per-user usage, costs, and performance
      analytics across their AI applications.
  - aid: helicone:webhook-api
    name: Helicone Webhook API
    tags:
      - Events
      - Notifications
      - Webhooks
    humanURL: https://docs.helicone.ai/features/webhooks
    baseURL: https://api.helicone.ai
    properties:
      - url: https://docs.helicone.ai/features/webhooks
        type: Documentation
      - url: https://docs.helicone.ai/rest/webhooks/get-v1webhooks
        type: APIReference
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
    description: >-
      The Helicone Webhook API provides endpoints for creating, listing,
      and deleting webhooks. Webhooks enable developers to receive real-time
      notifications about events in their Helicone workspace, supporting
      integration with external systems and automated workflows.
  - aid: helicone:model-registry-api
    name: Helicone Model Registry API
    tags:
      - AI Models
      - Models
      - Registry
    humanURL: https://docs.helicone.ai/rest/models/get-v1public-model-registry-models
    baseURL: https://api.helicone.ai
    properties:
      - url: https://docs.helicone.ai/rest/models/get-v1public-model-registry-models
        type: Documentation
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
    description: >-
      The Helicone Model Registry API provides a public endpoint for
      retrieving the complete catalog of AI models and provider endpoints
      that the Helicone AI Gateway can route to. This allows developers
      to discover available models and their capabilities.
  - aid: helicone:trace-api
    name: Helicone Trace API
    tags:
      - Logging
      - Observability
      - Tracing
    humanURL: https://docs.helicone.ai/rest/trace/post-v1tracelog
    baseURL: https://api.helicone.ai
    properties:
      - url: https://docs.helicone.ai/rest/trace/post-v1tracelog
        type: Documentation
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
    description: >-
      The Helicone Trace API provides endpoints for logging traces from
      AI applications. It enables developers to capture and log multi-step
      interactions, tool calls, and agent workflows for observability
      and debugging purposes.
  - aid: helicone:dashboard-api
    name: Helicone Dashboard API
    tags:
      - Analytics
      - Dashboard
      - Scoring
    humanURL: https://docs.helicone.ai/rest/dashboard/post-v1dashboardscoresquery
    baseURL: https://api.helicone.ai
    properties:
      - url: https://docs.helicone.ai/rest/dashboard/post-v1dashboardscoresquery
        type: Documentation
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
    description: >-
      The Helicone Dashboard API provides endpoints for querying dashboard
      scores and analytics data. It supports programmatic access to the
      aggregated metrics and scoring data available in the Helicone
      dashboard interface.
  - aid: helicone:property-api
    name: Helicone Property API
    tags:
      - Custom Properties
      - Metadata
      - Properties
    humanURL: https://docs.helicone.ai/features/advanced-usage/custom-properties
    baseURL: https://api.helicone.ai
    properties:
      - url: https://docs.helicone.ai/features/advanced-usage/custom-properties
        type: Documentation
      - url: https://docs.helicone.ai/rest/property/post-v1propertyquery
        type: APIReference
      - url: https://docs.helicone.ai/swagger.json
        type: OpenAPI
    description: >-
      The Helicone Property API provides endpoints for querying custom
      properties attached to requests. Custom properties allow developers
      to segment and filter their LLM request data by arbitrary metadata
      such as environment, feature, user cohort, or any other dimension.
name: Helicone
tags:
  - AI Gateways
  - AI Monitoring
  - Gateways
  - LLM Observability
  - LLM Routing
  - Prompt Management
type: Index
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
access: 3rd-Party
created: '2026-01-02'
modified: '2026-04-28'
position: Consumer
segments:
  - Gateways
description: >-
  Helicone is an open-source LLM observability platform and AI gateway that helps
  developers monitor, evaluate, and experiment with their AI applications. The worlds
  fastest-growing AI companies rely on Helicone to route, debug, and analyze their
  applications.
common:
  - url: https://docs.helicone.ai/
    type: Documentation
  - url: https://docs.helicone.ai/getting-started/quick-start
    type: GettingStarted
  - url: https://us.helicone.ai/signup
    type: SignUp
  - url: https://us.helicone.ai/signin
    type: Login
  - url: https://us.helicone.ai/dashboard
    type: Portal
  - url: https://www.helicone.ai/pricing
    type: Pricing
  - url: https://github.com/Helicone/helicone
    type: GitHubOrg
  - url: https://www.helicone.ai/blog
    type: Blog
  - url: https://www.helicone.ai/changelog
    type: ChangeLog
  - url: https://status.helicone.ai/
    type: StatusPage
  - url: https://www.helicone.ai/contact
    type: Contact
  - url: https://community.helicone.ai/
    type: Community
  - url: https://discord.gg/2TkeWdXNPQ
    type: Discord
  - url: https://twitter.com/helicone_ai
    type: Twitter
  - url: https://www.linkedin.com/company/helicone/
    type: LinkedIn
  - url: https://www.helicone.ai/privacy
    type: PrivacyPolicy
  - url: https://www.helicone.ai/terms
    type: TermsOfService
  - url: https://docs.helicone.ai/references/data-autonomy
    type: Security
  - url: https://docs.helicone.ai/getting-started/self-host/overview
    type: SelfHosted
  - url: https://docs.helicone.ai/references/open-source
    type: OpenSource
maintainers:
  - FN: Kin Lane
    email: [email protected]
specificationVersion: '0.19'