Argilla website screenshot

Argilla

Argilla is an open-source data annotation and curation platform designed for AI engineers and domain experts building high-quality datasets for LLMs and NLP models. The platform provides a FastAPI-based REST API for managing workspaces, datasets, records, responses, suggestions, and vectors, enabling RLHF and preference tuning pipelines. Developers interact with Argilla through a Python SDK (pip install argilla) or directly via REST using API key authentication. Argilla supports deployment on Hugging Face Spaces, Docker, and self-hosted environments, and is licensed under Apache-2.0. The platform recently joined Hugging Face, deepening its integration with the broader open ML ecosystem.

Argilla publishes 15 APIs on the APIs.io network, including Authentication API, datasets API, fields API, and 12 more. Tagged areas include data annotation, LLM, NLP, RLHF, and machine learning.

The Argilla catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Argilla’s developer surface includes authentication, documentation, engineering blog, pricing, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub
44.6/100 developing ▬ flat Agent 37/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreeSelf serve⚡ Free to try
15 APIs
data annotationLLMNLPRLHFmachine learningdatasetsopen sourcehuman feedbackfine-tuningHugging Face

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 44.6/100 · developing
Contract Quality 16.0 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 0.7 / 13
Governance 8.3 / 12
Discoverability 7.4 / 10
Agent readiness — 37/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/argilla: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 15

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

Argilla Authentication API

The Authentication API from Argilla — 4 operation(s) for authentication.

Argilla datasets API

The datasets API from Argilla — 19 operation(s) for datasets.

Argilla fields API

The fields API from Argilla — 1 operation(s) for fields.

Argilla info API

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

Argilla jobs API

The jobs API from Argilla — 1 operation(s) for jobs.

Argilla metadata properties API

The metadata properties API from Argilla — 2 operation(s) for metadata properties.

Argilla questions API

The questions API from Argilla — 1 operation(s) for questions.

Argilla records API

The records API from Argilla — 3 operation(s) for records.

Argilla responses API

The responses API from Argilla — 2 operation(s) for responses.

Argilla settings API

The settings API from Argilla — 1 operation(s) for settings.

Argilla suggestions API

The suggestions API from Argilla — 1 operation(s) for suggestions.

Argilla users API

The users API from Argilla — 4 operation(s) for users.

Argilla vectors-settings API

The vectors-settings API from Argilla — 1 operation(s) for vectors-settings.

Argilla webhooks API

The webhooks API from Argilla — 3 operation(s) for webhooks.

Argilla workspaces API

The workspaces API from Argilla — 5 operation(s) for workspaces.

Scroll for all 15

Pricing Plans 1

Published pricing tiers and plan structures.

Argilla Plans Pricing

2 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Argilla Rate Limits

0 limits

RATE LIMITS

FinOps 1

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

Argilla Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Argilla Context

13 classes · 25 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Argilla API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 11

Standalone JSON Schema definitions for this provider's data models.

Dataset

11 properties

JSON SCHEMA

Field

8 properties

JSON SCHEMA

MetadataProperty

8 properties

JSON SCHEMA

Question

9 properties

JSON SCHEMA

Record

11 properties

JSON SCHEMA

Response

7 properties

JSON SCHEMA

Suggestion

8 properties

JSON SCHEMA

User

8 properties

JSON SCHEMA

VectorSettings

7 properties

JSON SCHEMA

Webhook

8 properties

JSON SCHEMA

Workspace

4 properties

JSON SCHEMA

Scroll for all 11

Examples 3

Example request and response payloads for these APIs.

Argilla Add Records Example

4 fields

EXAMPLE

Argilla Create Dataset Example

4 fields

EXAMPLE

Argilla Submit Response Example

4 fields

EXAMPLE

Security Posture 2

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

Argilla Authentication

apiKey/http · 2 schemes

SECURITY

Argilla Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

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

Argilla Agentic Access

73 operations · 44 acting

73 operations · 44 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Vocabulary
Vocabulary
 JSONLDContext
JSONLDContext

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps

Company 4

The organization behind the API

Website
Website
 LinkedIn
LinkedIn
 Blog
Blog
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

X
X

Source (apis.yml)

apis.yml Raw ↑ 
aid: argilla
name: Argilla
type: Index
accessModel:
  pricing: free
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Free · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/argilla.png
url: https://raw.githubusercontent.com/api-evangelist/argilla/refs/heads/main/apis.yml
created: 2026-06-12
modified: 2026-06-12
specificationVersion: '0.19'
description: 'Argilla is an open-source data annotation and curation platform designed for AI engineers and domain experts
  building high-quality datasets for LLMs and NLP models. The platform provides a FastAPI-based REST API for managing workspaces,
  datasets, records, responses, suggestions, and vectors, enabling RLHF and preference tuning pipelines. Developers interact
  with Argilla through a Python SDK (pip install argilla) or directly via REST using API key authentication. Argilla supports
  deployment on Hugging Face Spaces, Docker, and self-hosted environments, and is licensed under Apache-2.0. The platform
  recently joined Hugging Face, deepening its integration with the broader open ML ecosystem.

  '
tags:
- data annotation
- LLM
- NLP
- RLHF
- machine learning
- datasets
- open source
- human feedback
- fine-tuning
- Hugging Face
apis:
- aid: argilla:argilla-authentication-api
  name: Argilla Authentication API
  description: The Authentication API from Argilla — 4 operation(s) for authentication.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/argilla-authentication-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-datasets-api
  name: Argilla datasets API
  description: The datasets API from Argilla — 19 operation(s) for datasets.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - datasets
  properties:
  - type: OpenAPI
    url: openapi/argilla-datasets-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-fields-api
  name: Argilla fields API
  description: The fields API from Argilla — 1 operation(s) for fields.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - fields
  properties:
  - type: OpenAPI
    url: openapi/argilla-fields-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-info-api
  name: Argilla info API
  description: The info API from Argilla — 2 operation(s) for info.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - info
  properties:
  - type: OpenAPI
    url: openapi/argilla-info-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-jobs-api
  name: Argilla jobs API
  description: The jobs API from Argilla — 1 operation(s) for jobs.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - jobs
  properties:
  - type: OpenAPI
    url: openapi/argilla-jobs-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-metadata-properties-api
  name: Argilla metadata properties API
  description: The metadata properties API from Argilla — 2 operation(s) for metadata properties.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - metadata properties
  properties:
  - type: OpenAPI
    url: openapi/argilla-metadata-properties-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-questions-api
  name: Argilla questions API
  description: The questions API from Argilla — 1 operation(s) for questions.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - questions
  properties:
  - type: OpenAPI
    url: openapi/argilla-questions-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-records-api
  name: Argilla records API
  description: The records API from Argilla — 3 operation(s) for records.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - records
  properties:
  - type: OpenAPI
    url: openapi/argilla-records-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-responses-api
  name: Argilla responses API
  description: The responses API from Argilla — 2 operation(s) for responses.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - responses
  properties:
  - type: OpenAPI
    url: openapi/argilla-responses-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-settings-api
  name: Argilla settings API
  description: The settings API from Argilla — 1 operation(s) for settings.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - settings
  properties:
  - type: OpenAPI
    url: openapi/argilla-settings-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-suggestions-api
  name: Argilla suggestions API
  description: The suggestions API from Argilla — 1 operation(s) for suggestions.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - suggestions
  properties:
  - type: OpenAPI
    url: openapi/argilla-suggestions-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-users-api
  name: Argilla users API
  description: The users API from Argilla — 4 operation(s) for users.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - users
  properties:
  - type: OpenAPI
    url: openapi/argilla-users-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-vectors-settings-api
  name: Argilla vectors-settings API
  description: The vectors-settings API from Argilla — 1 operation(s) for vectors-settings.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - vectors-settings
  properties:
  - type: OpenAPI
    url: openapi/argilla-vectors-settings-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-webhooks-api
  name: Argilla webhooks API
  description: The webhooks API from Argilla — 3 operation(s) for webhooks.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - webhooks
  properties:
  - type: OpenAPI
    url: openapi/argilla-webhooks-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
- aid: argilla:argilla-workspaces-api
  name: Argilla workspaces API
  description: The workspaces API from Argilla — 5 operation(s) for workspaces.
  humanURL: https://docs.argilla.io/latest/
  baseURL: https://argilla.io
  tags:
  - workspaces
  properties:
  - type: OpenAPI
    url: openapi/argilla-workspaces-api-openapi.yml
  - type: Documentation
    url: https://docs.argilla.io/latest/
  - type: OpenAPISpec
    url: openapi/argilla-rest-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/argilla-agentic-access.yml
- type: DomainSecurity
  url: security/argilla-domain-security.yml
- type: Authentication
  url: authentication/argilla-authentication.yml
- type: Website
  url: https://argilla.io/
- type: Documentation
  url: https://docs.argilla.io/latest/
- type: GitHubOrganization
  url: https://github.com/argilla-io
- type: LinkedIn
  url: https://www.linkedin.com/company/argilla-io/
- type: X
  url: https://twitter.com/argilla_io
- type: Blog
  url: https://argilla.io/blog
- type: Pricing
  url: https://argilla.io/pricing
- type: Plans
  url: plans/argilla-plans-pricing.yml
- type: RateLimits
  url: rate-limits/argilla-rate-limits.yml
- type: FinOps
  url: finops/argilla-finops.yml
- type: Vocabulary
  url: vocabulary/argilla-vocabulary.yml
- type: JSONLDContext
  url: json-ld/argilla-context.jsonld
- type: Blog
  url: blogs/blogs.json
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com