LangSmith website screenshot

LangSmith

LangSmith is the observability, debugging, and evaluation platform for LLM applications, built by LangChain. The LangSmith API exposes tracing, dataset management, evaluation, prompt-hub, and Fleet agent functionality for AI engineering teams.

LangSmith publishes 73 APIs on the APIs.io network, including Access Policies API, Ace API, Agents API, and 70 more. Tagged areas include Artificial Intelligence, LLM, Observability, Evaluation, and LangChain.

LangSmith’s developer surface includes authentication, documentation, pricing, engineering blog, and 7 more developer resources.

37.9/100 thin ▬ flat Agent 30/100 agent ready saas Full breakdown ↓
scored 2026-10-04 · rubric v0.23.0
AccessFreemiumSelf serve⚡ Free to try
1 published contract
Artificial IntelligenceLLMObservabilityEvaluationLangChainA2A

What this lets a business do 6

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Information & Data Management
BC-610
agentsdatasetsevaluatorsexperimentsgateway
POST /v1/platform/evaluators POST /v1/fleet/agents POST /api/v1/datasets POST /api/v1/runs/experiments/{experiment_id}/evaluate
SaaS Tenant Management
BC-4230
orgstenantworkspaces
POST /api/v1/tenants GET /api/v1/orgs POST /api/v1/orgs GET /api/v1/orgs/current
Cybersecurity Management
BC-620
access_policiesfleet auth
POST /v1/platform/orgs/current/access-policies POST /v1/fleet/auth-agents/{agent_id}/connections POST /v1/fleet/auth-providers
Developer Platform & API Ecosystem Management
BC-4270
aws_marketplaceprompt-webhooks
POST /aws-marketplace/register POST /api/v1/prompt-webhooks POST /api/v1/prompt-webhooks/test
Customer Service Management
BC-430
nps
POST /v1/platform/nps/response
SaaS Platform Operations Management
BC-4220
tracer-sessions
POST /api/v1/sessions/{session_id}/dashboard POST /api/v1/sessions

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-10-04 · rubric v0.23.0
Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.
Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.
The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/langsmith: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 1

Interfaces this provider implements that became standards by being copied rather than ratified. Each is profiled by the API Commons, and the evidence column says how the claim was established — not that it was made.

prose — states compatibility; nothing published to check it against
5 core of 24 operations graded · api-commons/identity

APIs 73

Individual APIs this provider publishes, each with its own machine-readable definition.

LangSmith Access Policies API

The access_policies API from LangSmith — 3 operation(s) for access_policies.

LangSmith Ace API

The ace API from LangSmith — 1 operation(s) for ace.

LangSmith Agents API

The agents API from LangSmith — 2 operation(s) for agents.

LangSmith Alert Rules API

The alert_rules API from LangSmith — 3 operation(s) for alert_rules.

LangSmith Annotation Queues API

The annotation-queues API from LangSmith — 17 operation(s) for annotation-queues.

LangSmith API Key API

The api-key API from LangSmith — 4 operation(s) for api-key.

LangSmith Audit Logs API

The audit-logs API from LangSmith — 1 operation(s) for audit-logs.

LangSmith Auth API

The auth API from LangSmith — 7 operation(s) for auth.

LangSmith Aws Marketplace API

The aws_marketplace API from LangSmith — 1 operation(s) for aws_marketplace.

LangSmith Backfills API

The backfills API from LangSmith — 1 operation(s) for backfills.

LangSmith Beacon API

The beacon API from LangSmith — 1 operation(s) for beacon.

LangSmith Bulk Exports API

The bulk-exports API from LangSmith — 7 operation(s) for bulk-exports.

LangSmith Charts API

The charts API from LangSmith — 13 operation(s) for charts.

LangSmith Comments API

The comments API from LangSmith — 3 operation(s) for comments.

LangSmith Commits API

The commits API from LangSmith — 2 operation(s) for commits.

LangSmith Data Planes API

The data_planes API from LangSmith — 1 operation(s) for data_planes.

LangSmith Datasets API

The datasets API from LangSmith — 28 operation(s) for datasets.

LangSmith Directories API

The directories API from LangSmith — 2 operation(s) for directories.

LangSmith Evaluators API

The evaluators API from LangSmith — 2 operation(s) for evaluators.

LangSmith Examples API

The examples API from LangSmith — 9 operation(s) for examples.

LangSmith Experiment View Overrides API

The experiment-view-overrides API from LangSmith — 2 operation(s) for experiment-view-overrides.

LangSmith Experiments API

The experiments API from LangSmith — 1 operation(s) for experiments.

LangSmith Features API

The features API from LangSmith — 4 operation(s) for features.

LangSmith Feedback API

The feedback API from LangSmith — 7 operation(s) for feedback.

LangSmith Feedback Configs API

The feedback-configs API from LangSmith — 1 operation(s) for feedback-configs.

LangSmith fleet auth API

The fleet auth API from LangSmith — 10 operation(s) for fleet auth.

LangSmith fleet github-app API

The fleet github-app API from LangSmith — 9 operation(s) for fleet github-app.

LangSmith fleet integrations API

The fleet integrations API from LangSmith — 3 operation(s) for fleet integrations.

LangSmith fleet mcp API

The fleet mcp API from LangSmith — 7 operation(s) for fleet mcp.

LangSmith fleet threads API

The fleet threads API from LangSmith — 5 operation(s) for fleet threads.

LangSmith fleet usage API

The fleet usage API from LangSmith — 4 operation(s) for fleet usage.

LangSmith Fleet Webhooks API

The fleet_webhooks API from LangSmith — 1 operation(s) for fleet_webhooks.

LangSmith Gateway API

The gateway API from LangSmith — 4 operation(s) for gateway.

LangSmith Gateway Policies API

The gateway-policies API from LangSmith — 2 operation(s) for gateway-policies.

LangSmith Hub Environments API

The hub_environments API from LangSmith — 2 operation(s) for hub_environments.

LangSmith Info API

The info API from LangSmith — 2 operation(s) for info.

LangSmith Integrations API

The integrations API from LangSmith — 1 operation(s) for integrations.

LangSmith Likes API

The likes API from LangSmith — 1 operation(s) for likes.

LangSmith MCP API

The mcp API from LangSmith — 2 operation(s) for mcp.

LangSmith MCP Vendors API

The mcp_vendors API from LangSmith — 6 operation(s) for mcp_vendors.

LangSmith Me API

The me API from LangSmith — 4 operation(s) for me.

LangSmith Metrics API

The metrics API from LangSmith — 1 operation(s) for metrics.

LangSmith Model Price Map API

The model-price-map API from LangSmith — 2 operation(s) for model-price-map.

LangSmith Nps API

The nps API from LangSmith — 1 operation(s) for nps.

LangSmith Ok API

The Ok API from LangSmith — 1 operation(s) for ok.

LangSmith Optimization Jobs API

The optimization-jobs API from LangSmith — 4 operation(s) for optimization-jobs.

LangSmith Organizations API

The Organizations API from LangSmith — 1 operation(s) for organizations.

LangSmith Orgs API

The orgs API from LangSmith — 39 operation(s) for orgs.

LangSmith Ownerships API

The ownerships API from LangSmith — 1 operation(s) for ownerships.

LangSmith Playground Settings API

The playground-settings API from LangSmith — 2 operation(s) for playground-settings.

LangSmith Prompt Webhooks API

The prompt-webhooks API from LangSmith — 3 operation(s) for prompt-webhooks.

LangSmith Prompts API

The prompts API from LangSmith — 2 operation(s) for prompts.

LangSmith Public API

The public API from LangSmith — 20 operation(s) for public.

LangSmith Repos API

The repos API from LangSmith — 5 operation(s) for repos.

LangSmith Run API

The run API from LangSmith — 19 operation(s) for run.

LangSmith Runs API

The runs API from LangSmith — 7 operation(s) for runs.

LangSmith Sandboxes API

The sandboxes API from LangSmith — 12 operation(s) for sandboxes.

LangSmith Sandboxes Internal API

The sandboxes-internal API from LangSmith — 1 operation(s) for sandboxes-internal.

LangSmith SCIM Tokens API

The SCIM Tokens API from LangSmith — 2 operation(s) for scim tokens.

LangSmith Service Accounts API

The service-accounts API from LangSmith — 2 operation(s) for service-accounts.

LangSmith Sessions API

The sessions API from LangSmith — 1 operation(s) for sessions.

LangSmith Settings API

The settings API from LangSmith — 2 operation(s) for settings.

LangSmith Skills API

The skills API from LangSmith — 2 operation(s) for skills.

LangSmith Tag Transitions API

The tag-transitions API from LangSmith — 1 operation(s) for tag-transitions.

LangSmith Tags API

The tags API from LangSmith — 2 operation(s) for tags.

LangSmith Tenant API

The tenant API from LangSmith — 1 operation(s) for tenant.

LangSmith Threads API

The threads API from LangSmith — 2 operation(s) for threads.

LangSmith Tools API

The tools API from LangSmith — 3 operation(s) for tools.

LangSmith Tracer Sessions API

The tracer-sessions API from LangSmith — 14 operation(s) for tracer-sessions.

LangSmith TTL Settings API

The TTL Settings API from LangSmith — 2 operation(s) for ttl settings.

LangSmith Usage Limits API

The usage-limits API from LangSmith — 3 operation(s) for usage-limits.

LangSmith Workspaces API

The workspaces API from LangSmith — 25 operation(s) for workspaces.

LangSmith OAUTH API

The oauth API from LangSmith — 8 operation(s) for oauth.

Scroll for all 73

Open Collections 75

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

LangSmith

OPEN COLLECTION

Scroll for all 75

Pricing Plans 2

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Langsmith Rate Limits

0 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Langsmith Authentication

apiKey/http · 4 schemes

SECURITY

Langsmith Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Langsmith Agentic Access

556 operations · 343 acting · 14 human-in-the-loop

556 operations · 343 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Access & Security 2

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: langsmith
url: https://raw.githubusercontent.com/api-evangelist/langsmith/refs/heads/main/apis.yml
name: LangSmith
kind: company
description: LangSmith is the observability, debugging, and evaluation platform for LLM applications, built by LangChain.
  The LangSmith API exposes tracing, dataset management, evaluation, prompt-hub, and Fleet agent functionality for AI engineering
  teams.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: medium
  source:
  - plans
  - authentication
  - security
  generated: '2026-09-03'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/langsmith.png
x-docs-platform: mintlify
x-docs-platform-confidence: medium
x-docs-platform-checked: 2026-10-03
tags:
- Artificial Intelligence
- LLM
- Observability
- Evaluation
- LangChain
- A2A
tags_raw:
- AI
- LLM
- Observability
- Evaluations
- LangChain
- A2A
created: '2026-05-08'
modified: '2026-05-19'
specificationVersion: '0.23'
apis:
- aid: langsmith:langsmith-access-policies-api
  name: LangSmith Access Policies API
  description: The access_policies API from LangSmith — 3 operation(s) for access_policies.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Access Policies
  tags_raw:
  - access_policies
  properties:
  - type: OpenAPI
    url: openapi/langsmith-access-policies-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-ace-api
  name: LangSmith Ace API
  description: The ace API from LangSmith — 1 operation(s) for ace.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - ACE
  tags_raw:
  - ace
  properties:
  - type: OpenAPI
    url: openapi/langsmith-ace-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-agents-api
  name: LangSmith Agents API
  description: The agents API from LangSmith — 2 operation(s) for agents.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Agents
  tags_raw:
  - agents
  properties:
  - type: OpenAPI
    url: openapi/langsmith-agents-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-alert-rules-api
  name: LangSmith Alert Rules API
  description: The alert_rules API from LangSmith — 3 operation(s) for alert_rules.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Alert Rules
  tags_raw:
  - alert_rules
  properties:
  - type: OpenAPI
    url: openapi/langsmith-alert-rules-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-annotation-queues-api
  name: LangSmith Annotation Queues API
  description: The annotation-queues API from LangSmith — 17 operation(s) for annotation-queues.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Annotation Queues
  tags_raw:
  - annotation-queues
  properties:
  - type: OpenAPI
    url: openapi/langsmith-annotation-queues-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-api-key-api
  name: LangSmith API Key API
  description: The api-key API from LangSmith — 4 operation(s) for api-key.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - APIKeys
  tags_raw:
  - api-key
  properties:
  - type: OpenAPI
    url: openapi/langsmith-api-key-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-audit-logs-api
  name: LangSmith Audit Logs API
  description: The audit-logs API from LangSmith — 1 operation(s) for audit-logs.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Audit Logs
  tags_raw:
  - audit-logs
  properties:
  - type: OpenAPI
    url: openapi/langsmith-audit-logs-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-auth-api
  name: LangSmith Auth API
  description: The auth API from LangSmith — 7 operation(s) for auth.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Authentication
  tags_raw:
  - auth
  properties:
  - type: OpenAPI
    url: openapi/langsmith-auth-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-aws-marketplace-api
  name: LangSmith Aws Marketplace API
  description: The aws_marketplace API from LangSmith — 1 operation(s) for aws_marketplace.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - AWS Marketplace
  tags_raw:
  - aws_marketplace
  properties:
  - type: OpenAPI
    url: openapi/langsmith-aws-marketplace-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-backfills-api
  name: LangSmith Backfills API
  description: The backfills API from LangSmith — 1 operation(s) for backfills.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - backfills
  properties:
  - type: OpenAPI
    url: openapi/langsmith-backfills-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-beacon-api
  name: LangSmith Beacon API
  description: The beacon API from LangSmith — 1 operation(s) for beacon.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - beacon
  tags_raw:
  - beacon
  properties:
  - type: OpenAPI
    url: openapi/langsmith-beacon-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-bulk-exports-api
  name: LangSmith Bulk Exports API
  description: The bulk-exports API from LangSmith — 7 operation(s) for bulk-exports.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - bulk-exports
  properties:
  - type: OpenAPI
    url: openapi/langsmith-bulk-exports-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-charts-api
  name: LangSmith Charts API
  description: The charts API from LangSmith — 13 operation(s) for charts.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Charts
  tags_raw:
  - charts
  properties:
  - type: OpenAPI
    url: openapi/langsmith-charts-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-comments-api
  name: LangSmith Comments API
  description: The comments API from LangSmith — 3 operation(s) for comments.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Comments
  tags_raw:
  - comments
  properties:
  - type: OpenAPI
    url: openapi/langsmith-comments-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-commits-api
  name: LangSmith Commits API
  description: The commits API from LangSmith — 2 operation(s) for commits.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Commits
  tags_raw:
  - commits
  properties:
  - type: OpenAPI
    url: openapi/langsmith-commits-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-data-planes-api
  name: LangSmith Data Planes API
  description: The data_planes API from LangSmith — 1 operation(s) for data_planes.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Dataplanes
  tags_raw:
  - data_planes
  properties:
  - type: OpenAPI
    url: openapi/langsmith-data-planes-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-datasets-api
  name: LangSmith Datasets API
  description: The datasets API from LangSmith — 28 operation(s) for datasets.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Datasets
  tags_raw:
  - datasets
  properties:
  - type: OpenAPI
    url: openapi/langsmith-datasets-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-directories-api
  name: LangSmith Directories API
  description: The directories API from LangSmith — 2 operation(s) for directories.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Directories
  tags_raw:
  - directories
  properties:
  - type: OpenAPI
    url: openapi/langsmith-directories-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-evaluators-api
  name: LangSmith Evaluators API
  description: The evaluators API from LangSmith — 2 operation(s) for evaluators.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Evaluators
  tags_raw:
  - evaluators
  properties:
  - type: OpenAPI
    url: openapi/langsmith-evaluators-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-examples-api
  name: LangSmith Examples API
  description: The examples API from LangSmith — 9 operation(s) for examples.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Example
  tags_raw:
  - examples
  properties:
  - type: OpenAPI
    url: openapi/langsmith-examples-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-experiment-view-overrides-api
  name: LangSmith Experiment View Overrides API
  description: The experiment-view-overrides API from LangSmith — 2 operation(s) for experiment-view-overrides.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - experiment-view-overrides
  properties:
  - type: OpenAPI
    url: openapi/langsmith-experiment-view-overrides-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-experiments-api
  name: LangSmith Experiments API
  description: The experiments API from LangSmith — 1 operation(s) for experiments.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Experiments
  tags_raw:
  - experiments
  properties:
  - type: OpenAPI
    url: openapi/langsmith-experiments-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-features-api
  name: LangSmith Features API
  description: The features API from LangSmith — 4 operation(s) for features.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Features
  tags_raw:
  - features
  properties:
  - type: OpenAPI
    url: openapi/langsmith-features-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-feedback-api
  name: LangSmith Feedback API
  description: The feedback API from LangSmith — 7 operation(s) for feedback.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - Feedback
  tags_raw:
  - feedback
  properties:
  - type: OpenAPI
    url: openapi/langsmith-feedback-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-feedback-configs-api
  name: LangSmith Feedback Configs API
  description: The feedback-configs API from LangSmith — 1 operation(s) for feedback-configs.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - feedback-configs
  properties:
  - type: OpenAPI
    url: openapi/langsmith-feedback-configs-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-fleet-auth-api
  name: LangSmith fleet auth API
  description: The fleet auth API from LangSmith — 10 operation(s) for fleet auth.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - fleet auth
  properties:
  - type: OpenAPI
    url: openapi/langsmith-fleet-auth-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-fleet-github-app-api
  name: LangSmith fleet github-app API
  description: The fleet github-app API from LangSmith — 9 operation(s) for fleet github-app.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - fleet github-app
  properties:
  - type: OpenAPI
    url: openapi/langsmith-fleet-github-app-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-fleet-integrations-api
  name: LangSmith fleet integrations API
  description: The fleet integrations API from LangSmith — 3 operation(s) for fleet integrations.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - fleet integrations
  properties:
  - type: OpenAPI
    url: openapi/langsmith-fleet-integrations-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-fleet-mcp-api
  name: LangSmith fleet mcp API
  description: The fleet mcp API from LangSmith — 7 operation(s) for fleet mcp.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - fleet mcp
  properties:
  - type: OpenAPI
    url: openapi/langsmith-fleet-mcp-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-fleet-threads-api
  name: LangSmith fleet threads API
  description: The fleet threads API from LangSmith — 5 operation(s) for fleet threads.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - fleet threads
  properties:
  - type: OpenAPI
    url: openapi/langsmith-fleet-threads-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets
  - type: Documentation
    url: https://docs.langchain.com/langsmith/evaluation
  - type: Documentation
    url: https://docs.langchain.com/langsmith/prompt-hub
  - type: Documentation
    url: https://docs.langchain.com/langsmith/feedback
  - type: Documentation
    url: https://docs.langchain.com/langsmith/annotation-queues
  - type: Documentation
    url: https://docs.langchain.com/langsmith/deployments
- aid: langsmith:langsmith-fleet-usage-api
  name: LangSmith fleet usage API
  description: The fleet usage API from LangSmith — 4 operation(s) for fleet usage.
  humanURL: https://docs.langchain.com/langsmith/tracing
  baseURL: https://api.smith.langchain.com
  tags:
  - fleet usage
  properties:
  - type: OpenAPI
    url: openapi/langsmith-fleet-usage-api-openapi.yml
  - type: Documentation
    url: https://docs.langchain.com/langsmith
  - type: APIReference
    url: https://docs.langchain.com/langsmith/tracing
  - type: Documentation
    url: https://docs.langchain.com/langsmith/datasets


# --- truncated at 32 KB (74 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/langsmith/refs/heads/main/apis.yml

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