Klout
Klout was a San Francisco social-analytics company, founded in 2008 by Joe Fernandez and Binh Tran, that scored individuals on their online social influence. The "Klout Score" was a single number from 1 to 100 derived from the size of a person's social network and how other people engaged with the content they published across connected accounts such as Twitter, Facebook, LinkedIn, Instagram, and Google+. Klout operated a public REST API — the Klout API v2 at api.klout.com — that let developers resolve a social handle to a Klout identity, look up a user's score and score history, and retrieve influence graphs (who a user influences and is influenced by) and topic affinities; access was key-based and widely used by marketing, CRM, and social-listening tools, and a large community of third-party client libraries grew up around it in Ruby, Node.js, Python, and PHP. Lithium Technologies acquired Klout on 27 March 2014 for approximately $200 million. Lithium retired Klout as a standalone service on 25 May 2018 — the day the EU General Data Protection Regulation took effect — stating that Klout's AI and machine-learning capabilities were valuable to Lithium but the consumer service was not aligned with its long-term strategy. The Klout API was shut down with the service. Lithium has since been rebranded as Khoros, and klout.com now redirects into the Khoros website. The company is defunct and operates no live API; this profile is retained as a historical provider record in the API Evangelist network.
API Evangelist profiles Klout the way a machine reads it — 1 machine-readable artifact, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
How we profile Klout
Each block below is one kind of artifact we hold for Klout. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
Security Posture 1
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Every other property we hold for Klout — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Design & Contract 1
Pagination, idempotency, versioning, errors, and events
Build 2
SDKs, sample code, and the tooling you integrate with
Access & Security 1
Authentication, authorization, and security posture
Company 1
The organization behind the API
Other 2
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/klout · machine-readable index on apis.io
This is an independent, third-party profile of Klout, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.
info@apievangelist.com
·
Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and
you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.