emerging · -1.0 capabilitymarket resourcedomain

Spans

Score 23.8 / 100 2 providers +16 via APIs 19 APIs Search apis.io →
Business capabilities this tag reaches
SaaS Platform Operations Management 8

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 APIs81.0
Strong 1 Solid coverage with minor gaps
Google Cloud TraceDistributed TracingGoogle CloudLatencyObservability1 API58.6

APIs with this tag (19)

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 5 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 ...81.0Datadog Spans APIThe Spans API allows you to search and aggregate spans from your Datadog platform over HTTP. It supports qu...80.0Datadog Spans Metrics APIThe Spans Metrics API allows you to manage configuration of span-based metrics for your organization. It pr...80.0Scale AI Spans APIThe Spans API from Scale AI — 14 operation(s) for spans.71.1Opper AI Spans APIThe Spans API from Opper AI — 3 operation(s) for spans.68.3
Strong 6 Solid coverage with minor gaps
Prefect Spans APIThe Spans API from Prefect — 9 operation(s) for spans.65.1Comet Spans APISpan related resources63.6Opik (GenAI Observability)Opik is Comet's open-source GenAI observability product. It provides spans-based tracing, evaluations, prom...63.6ArthurAI Spans APIThe Spans API from ArthurAI — 8 operation(s) for spans.62.3EPA — U.S. Environmental Protection Agency Spans APIThe Spans API from EPA — U.S. Environmental Protection Agency — 1 operation(s) for spans.58.7Latitude Spans APIThe Spans API from Latitude — 1 operation(s) for spans.58.6
Developing 3 Usable, with meaningful gaps to close
Aleph Alpha Spans APIEndpoints for managing Spans. A Span is a single unit of work within a Trace and represents an individual o...47.8Laminar SQL Query APIRun SELECT-only ClickHouse SQL over a project's observability data via POST /v1/sql/query. Authenticates wi...47.2Opik Spans APISpan related resources45.2
Thin 3 Limited public surface area
Zipkin Spans APISubmit and query span names38.2Apache Zipkin Spans APIIngest spans and query span names37.3Arize Phoenix Spans APIThe spans API from Arize Phoenix — 6 operation(s) for spans.30.3
Emerging 2 Early or largely undocumented
Deepchecks Spans APIRaw tracing spans.23.6TraceLLM APITraceLLM API as documented publicly: 24 operations. Contract generated from the documentation by API Evange...14.0

Companies reaching this through an API (16)

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 Datadog Deepchecks EPA — U.S. Environmental Protection Agency Laminar Latitude Opik Opper AI Prefect Scale AI TraceLLM Zipkin

Score breakdown

Frequency
38.1
log-scaled weighted occurrences
Breadth
0.0
spread across providers
Quality lift
69.8
mean composite of providers using it
Cohesion
2.4
strength of nearest seed neighbor

Related tags

Traces 10 co-occurrences Tracing 6 co-occurrences Evaluation 5 co-occurrences Datasets 8 co-occurrences Observability 8 co-occurrences Project 9 co-occurrences Sessions 5 co-occurrences Monitoring 6 co-occurrences

Where this tag comes from

Api tag18
Provider tag2
Openapi tag9
Openapi op tag28

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 (paid plan)
The distribution (Pro)

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

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.