established · 0.0 capability resource

Spans

Score 25.3 / 100 2 providers +13 via APIs 15 APIs Search apis.io →
Variants seen in the corpus: Spansspans

Providers using this tag (2)

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

Exemplar 1 Complete, well-documented, and agent-ready
Datadog APMAPMDistributed TracingMicroservicesObservability2 APIs79.3
Developing 1 Usable, with meaningful gaps to close
Google Cloud TraceDistributed TracingGoogle CloudLatencyObservability1 API42.3

APIs with this tag (15)

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 →

Exemplar 1 Complete, well-documented, and agent-ready
Datadog APM Spans APISearch, list and aggregate APM spans. Three operations covering cursor-paginated span search (POST and GET ...79.3
Strong 3 Solid coverage with minor gaps
EPA — U.S. Environmental Protection Agency Spans APIThe Spans API from EPA — U.S. Environmental Protection Agency — 1 operation(s) for spans.65.2Datadog Spans APIThe Spans API allows you to search and aggregate spans from your Datadog platform over HTTP. It supports qu...63.6Datadog Spans Metrics APIThe Spans Metrics API allows you to manage configuration of span-based metrics for your organization. It pr...63.6
Developing 8 Usable, with meaningful gaps to close
Comet Spans APISpan related resources52.0Opik Spans APISpan related resources50.5Prefect Spans APIThe Spans API from Prefect — 9 operation(s) for spans.49.4ArthurAI Spans APIThe Spans API from ArthurAI — 8 operation(s) for spans.48.3Aleph Alpha Spans APIEndpoints for managing Spans. A Span is a single unit of work within a Trace and represents an individual o...46.9Laminar SQL Query APIRun SELECT-only ClickHouse SQL over a project's observability data via POST /v1/sql/query. Authenticates wi...45.3Arize Phoenix spans APIThe spans API from Arize Phoenix — 6 operation(s) for spans.45.1Zipkin Spans APISubmit and query span names41.0
Thin 3 Limited public surface area
Apache Zipkin spans APIIngest spans and query span names39.1Deepchecks Spans APIRaw tracing spans.34.6Opik (GenAI Observability)Opik is Comet's open-source GenAI observability product. It provides spans-based tracing, evaluations, prom...28.2

Companies reaching this through an API (13)

These companies publish an API, specification or operation carrying “Spans” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

Aleph Alpha Apache Zipkin Arize Phoenix ArthurAI Comet Comet Datadog Deepchecks EPA — U.S. Environmental Protection Agency Laminar Opik Prefect Zipkin

Score breakdown

Frequency
44.4
log-scaled weighted occurrences
Breadth
0.1
spread across providers
Quality lift
68.9
mean composite of providers using it
Cohesion
3.0
strength of nearest seed neighbor

Related tags

Traces 8 co-occurrences Tracing 6 co-occurrences Workspaces 5 co-occurrences Datasets 6 co-occurrences Observability 7 co-occurrences Project 7 co-occurrences Monitoring 5 co-occurrences Open-Source 8 co-occurrences

Where this tag comes from

Api tag15
Provider tag2
Openapi tag11
Openapi op tag65

Work with this as data

Every tag 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 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/spans"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/spans"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/spans/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.