established · 2.0 capabilitymarket

Signals

Score 24.3 / 100 44 providers 43 APIs Search apis.io →

Variants seen in the corpus: Signalssignals

Providers using this tag (44)

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

Exemplar 2 Complete, well-documented, and agent-ready

LushaLusha is a B2B sales-intelligence platform that sells verified contact and company data, buying signals and...14 APIs72.2 InfobipInfobip is a global communications platform as a service (CPaaS) provider headquartered in Vodnjan, Croatia...47 APIs71.5

Strong 9 Solid coverage with minor gaps

SiftingIOCross-asset market data APIs covering US equities, forex, cryptocurrency, DeFi/on-chain, commodities, and S...13 APIs66.4 FundzFundz is an event-first business intelligence platform, founded 2015, tracking 200,000+ companies and surfa...8 APIs66.0 Scope3Scope3 is the source of truth for greenhouse-gas emissions data in media and advertising, and operates Scop...16 APIs65.5 Scrunch AIScrunch AI (scrunch.com) is an AI customer experience platform for AI search visibility and optimization - ...11 APIs61.9 SalesloftSalesloft is a sales engagement and revenue orchestration platform, now combined with Clari, Drift and Groo...85 APIs60.3 InngestInngest is an event-driven durable execution platform for background jobs, step functions, scheduled workfl...8 APIs60.1 BuiltWithTechnology profiling and lead generation platform with a REST API for detecting technologies used by websit...31 APIs59.6 Method SecurityMethod Security is a cybersecurity company delivering cyber resilience to the U.S. Government and critical ...10 APIs58.9 SumbleSumble provides account intelligence data that powers go-to-market work across the revenue org — sales, Rev...10 APIs57.3

Developing 13 Usable, with meaningful gaps to close

LucentLucent is an AI product manager for session replay: it watches user session recordings continuously and aut...4 APIs54.2 PaidPaid (paid.ai) is the monetization platform for AI agents. It gives teams that build and sell AI agents the...22 APIs53.9 HuntressHuntress is a managed cybersecurity platform built for small and mid-sized businesses and the MSPs/MSSPs th...17 APIs53.8 UniformUniform (Uniform Systems, Inc.) is a visual workspace and composable digital experience platform (DXP) that...41 APIs52.1 INRIXINRIX is a Kirkland, Washington-based transportation analytics company that turns anonymized GPS probe data...18 APIs50.2 PostHogPostHog is an open source product analytics platform that provides event tracking, session recording, featu...139 APIs49.4 ClarifeyeClarifeye is an AI-native knowledge infrastructure platform that captures the undocumented knowledge locked...13 APIs47.7 Aligned NewsAligned News is an AI-native intelligence and news platform that synthesizes AI-powered briefings from 63 c...8 APIs47.6 ZeebeZeebe is the cloud-native workflow engine that powers Camunda 8, providing scalable, resilient workflow aut...9 APIs47.4 NationGraphNationGraph is a public-sector sales intelligence platform that makes government buying legible to business...56 APIs46.7 Voyant.ioVoyant.io is a brand-context platform that turns a company's positioning, messaging, personas, products, pr...3 APIs46.0 WealthVille — DeFi Liquidity Pool Scores API (Solana & EVM)WealthVille provides a public, keyless REST API and agent-native surfaces for DeFi liquidity-pool scoring a...3 APIs44.0 GleanGlean is an AI-powered work assistant and enterprise search platform that connects to a company's apps and ...22 APIs43.3

Thin 10 Limited public surface area

CamundaCamunda is a process orchestration platform that enables organizations to design, automate, and improve bus...10 APIs39.2 LucidworksLucidworks builds AI-powered search, discovery, and agent platforms used by enterprise commerce, support, a...12 APIs34.6 CogniteCognite is an industrial AI and data platform provider whose core product, Cognite Data Fusion (CDF), conte...90 APIs33.2 EvrimEvrim is the upstream signal layer for U.S. financial institutions, the defense industrial base, and federa...18 APIs32.9 SymphonySymphony is a secure collaboration platform designed for professional teams, particularly in financial serv...46 APIs32.2 Global System for Mobile CommunicationsWe unite over 1000 mobile operators and businesses across the ecosystem and related industries to advance i...29 APIs31.5 FireHydrantFireHydrant is an incident management platform providing automated runbooks, status pages, and retrospectiv...16 APIs29.2 JumioJumio operates the KYX Platform, an end-to-end AI-driven identity verification, fraud prevention, and compl...14 APIs28.8 FINOSThe Fintech Open Source Foundation (FINOS) is a Linux Foundation project dedicated to open source innovatio...34 APIs28.4 Fideo IntelligenceFideo Intelligence is an identity intelligence platform that helps banks, fintechs, and financial instituti...1 API26.8

Emerging 10 Early or largely undocumented

API PulseAPI Pulse is a comprehensive survey and benchmarking platform created by API Evangelist that helps organiza...1 API24.8 CeleryCelery is an open-source distributed task queue for Python. It allows you to run tasks asynchronously in th...8 APIs19.6 graph8graph8 is an autonomous revenue system — an AI-native B2B sales platform that finds buyers, launches campai...1 API17.6 HelsingHelsing SE is a Munich-based European defense AI company founded in March 2021 by Torsten Reil, Gundbert Sc...8 APIs17.6 AngularAngular is an open-source TypeScript-based web application framework maintained by Google and a community o...9 APIs17.2 Angular 17Angular 17 is a major release of the Angular TypeScript framework, released November 8, 2023. Key features ...7 APIs17.1 Angular 18Angular 18 is a major release of the Angular TypeScript framework, released May 22, 2024. Key features incl...7 APIs17.1 Angular 20Angular 20 is a major release of the Angular TypeScript framework, released May 28, 2025. All fundamental r...7 APIs17.1 UNIX System CallCore UNIX/POSIX system calls providing low-level operating system interfaces for process management, file o...11 APIs15.8 CCPA (California Consumer Privacy Act)The California Consumer Privacy Act (CCPA), amended by the California Privacy Rights Act (CPRA), is a state...4 APIs12.6

APIs with this tag (43)

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 3 Complete, well-documented, and agent-ready

Lusha Signals APIReal-world activity data for contacts and companies — promotions and job changes on the contact side; headc...72.2 Lusha Webhooks APISubscription management for real-time signal callbacks — bulk create and delete up to 25 items per request,...72.2 Infobip Signals APISignals is a solution for detecting and blocking artificially generated traffic. Each mobile device has a u...71.5

Strong 9 Solid coverage with minor gaps

SiftingIO Signals APITechnical-analysis signals (live and historical) across stocks, forex, crypto, and commodities.66.4 Fundz APICompany profiles, funding rounds, SEC filings and fund formations, keyed to real-time business events.66.0 FundzWatch APIThe agent-facing Fundz surface, served on the same host under /v1/watch/*: AI-scored leads matched to an IC...66.0 Scope3 Signals APIThe Signals API from Scope3 — 1 operation(s) for signals.65.5 Scrunch AI Signals APIThe Signals API from Scrunch AI — 6 operation(s) exposing Scrunch's nightly detection sweep as a queryable ...61.9 Salesloft Signals API[https://developer.salesloft.com/docs/api/signals/](https://developer.salesloft.com/docs/api/signals/)60.3 BuiltWith Change APITrack technology additions and removals on websites with business context in JSON format.59.6 Method Security signals APIThe signals API from Method Security — 1 operation(s) for signals.58.9 Sumble signals APIThe signals API from Sumble — 3 operation(s) for signals.57.3

Developing 13 Usable, with meaningful gaps to close

Lucent Signals APIThe Signals API from Lucent — 1 operation(s) for signals.54.2 Paid signals APIThe signals API from Paid — 1 operation(s) for signals.53.9 Huntress Signals APIOperations about Signals53.8 Uniform Signals APIThe Signals API from Uniform — 1 operation(s) for signals.52.1 INRIX Signals Analytics APITraffic-signal and intersection analytics served from the INRIX IQ backend: intersection metrics, intersect...50.2 PostHog signals APIThe signals API from PostHog — 6 operation(s) for signals.49.4 Clarifeye Signals APISubmit signals about the project's content for domain experts to review47.7 Aligned News Signals APIEarly pattern detections with editorial badges.47.6 Zeebe Signals APIThe Signals API from Zeebe — 1 operation(s) for signals.47.4 NationGraph Signals APIThe Signals API from NationGraph — 11 operation(s) for signals.46.7 VoyantIO APIREST API for the Voyant brand-context platform, published as OpenAPI 3.1.0 with 783 operations over 79 tags...46.0 WealthVille — DeFi Liquidity Pool Scores API (Solana & EVM) Signals APIThe Signals API from WealthVille — DeFi Liquidity Pool Scores API (Solana & EVM) — 2 operation(s) for signals.44.0 Glean activity APIThe activity API from Glean — 2 operation(s) for activity.43.3

Thin 9 Limited public surface area

Camunda Signals APIThe Signals API from Camunda — 1 operation(s) for signals.39.2 Lucidworks Signals APICapture and retrieve user behavior signals34.6 Cognite Signals APIA signal is a notification that something has occurred in a CDF process. Users and systems may listen to si...33.2 Symphony Signals APIThe Signals API from Symphony — 8 operation(s) for signals.32.2 GSMA Camara Project Scam Signal APIScam Signal API allows businesses to protect their customers from impersonation scams, particularly Authori...31.5 FireHydrant Signals APIThe Signals API from FireHydrant — 1 operation(s) for signals.29.2 Jumio Risk Signals APIReturns enriched risk-signal data on a user (device, behavioural, network, and identity-graph signals) for ...28.8 FINOS Signals APIThe Signals API from FINOS — 9 operation(s) for signals.28.4 Fideo Verify & Signals APIReal-time identity verification (Verify) and modular identity intelligence (Signals) over a shared multi-fi...26.8

Emerging 9 Early or largely undocumented

API Pulse Signals APIThe overall signal.24.8 Celery Signals APISignals API for hooking into Celery lifecycle events including task, worker, beat, and consumer signals to ...19.6 Helsing CirraCirra is Helsing's electronic-warfare AI for detecting, classifying, and responding to electromagnetic-spec...17.6 Angular Core APIThe Angular Core API provides the fundamental building blocks of the Angular framework including components...17.2 Angular 17 Core APICore Angular 17 framework APIs featuring stable Signals for reactive state management, deferrable views (@d...17.1 Angular 18 Core APICore Angular 18 framework APIs featuring experimental zoneless change detection, stable deferrable views an...17.1 Angular 20 Core APICore Angular 20 framework APIs with all fundamental reactivity primitives graduated to stable: signal, effe...17.1 Interprocess Communication APISystem calls for communication between processes including pipes, signals, and shared memory.15.8 IAB Tech Lab Global Privacy Platform (GPP)The IAB Tech Lab Global Privacy Platform (GPP) is the successor to the US Privacy (USP) string. It provides...12.6

Score breakdown

Frequency

53.7

log-scaled weighted occurrences

Breadth

1.2

spread across providers

Quality lift

50.0

mean composite of providers using it

Cohesion

4.1

strength of nearest seed neighbor

Where this tag comes from

Provider tag12

Api tag43

Openapi tag22

Openapi op tag91

Signals

Providers using this tag (44)

APIs with this tag (43)

Score breakdown

Related tags

Where this tag comes from