stale · 0.4

Data Annotation

Score 15.6 / 100 14 providers 1 APIs Search apis.io →
Variants seen in the corpus: Data Annotationdata annotationdata-annotation

Providers using this tag (14)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Developing 4 Usable, with meaningful gaps to close
DataLoopArtificial IntelligenceMachine-LearningData Management1 API50.0DatasaurCompanyEnterprise SaasData LabelingArtificial Intelligence47.0ProlificResearchParticipant RecruitmentSurveysHuman Data1 API40.2Argilladata annotationLLMNLPRLHF1 API39.3
Thin 6 Limited public surface area
CVATComputer-VisionLabelingDatasets1 API39.2Defined.ai (DefinedCrowd)CompanyAI Training DataData MarketplaceMachine-Learning1 API38.6Unitlab AICompanyMachine-LearningComputer-Vision1 API31.4Figure EightCompanyArtificial IntelligenceMachine-LearningData Labeling1 API30.6Centaur LabsCompanyArtificial IntelligenceData Labeling1 API28.0StriveworksCompanyartificial-intelligencemachine-learningmlops1 API27.0
Minimal 4 Almost no public developer surface
ShotwellaiCompanyRoboticsTraining Data6.3SUPACompanyData LabelingTraining Data6.2AtextoCompanySpeech RecognitionTranscriptionData Labeling5.0DatacurveCompanyArtificial IntelligenceMachine-LearningDatasets5.0

APIs with this tag (1)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Thin 1 Limited public surface area
Chariot Platform APIPer-tenant REST API for the Chariot AI operations platform, organized as versioned microservice paths under...27.0

Score breakdown

Frequency
33.1
log-scaled weighted occurrences
Breadth
0.4
spread across providers
Quality lift
34.3
mean composite of providers using it
Cohesion
2.2
strength of nearest seed neighbor

Related tags

Data Labeling 6 co-occurrences Training Data 5 co-occurrences Computer-Vision 6 co-occurrences Machine-Learning 12 co-occurrences Artificial Intelligence 10 co-occurrences Company 11 co-occurrences

Where this tag comes from

Provider tag14
Api tag1

Work with this as data

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

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Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • 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 tag 
curl "https://apis.io/api/v1/tags/data-annotation"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/data-annotation"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/data-annotation/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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