Koo
Koo was an Indian microblogging and social networking platform built by Bombinate Technologies, positioned as a multilingual, India-first alternative to Twitter/X with support for Hindi, Kannada, Tamil, Telugu, Marathi and other regional languages. Backed by Accel and Tiger Global, it grew during the 2021 Indian social-media policy disputes before ceasing operations in 2024 after funding and acquisition talks fell through. Koo never published a public developer portal, API documentation, or client SDKs, and its domain no longer serves a site — this profile is retained as a verified-defunct historical record rather than an active API provider.
Koo is profiled on the APIs.io network. Tagged areas include Company, Social, Social Network, Microblogging, and India.
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →
Kin Score
Kin Score
How this is scored →scored 2026-11-06 · rubric v0.27.0
<a href="https://apis.io/providers/koo/"><img src="https://apis.io/badge/koo/card.svg" alt="Koo on APIs.io — Kin Score by API Evangelist"></a>Other styles, a README pill and a shields.io endpoint are on the badge page.
- Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document
- MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
- Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
- Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
- Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
- Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes
- Contract Quality scores 0.0 — up to +25.0 composite points
- Developer Ergonomics scores 0.0 — up to +20.0 composite points
- Access Clarity scores 0.0 — up to +20.0 composite points
Security Posture 1
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Access & Security 1
Authentication, authorization, and security posture
Company 1
The organization behind the API
Source (apis.yml)
aid: koo
deliveryModel:
model: unknown
open_source: false
commercial: false
callable_host: false
label: Delivery model not determined — needs a product licence on record
confidence: low
source:
- none
generated: '2026-08-28'
method: derived
accessModel:
pricing: unknown
onboarding: unknown
trial: false
try_now: false
public: false
gated: private
gated_source:
- x-api-posture
label: Unknown
confidence: low
source:
- security
generated: '2026-11-06'
method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/koo.png
name: Koo
description: Koo was an Indian microblogging and social networking platform built by Bombinate Technologies, positioned as
a multilingual, India-first alternative to Twitter/X with support for Hindi, Kannada, Tamil, Telugu, Marathi and other regional
languages. Backed by Accel and Tiger Global, it grew during the 2021 Indian social-media policy disputes before ceasing
operations in 2024 after funding and acquisition talks fell through. Koo never published a public developer portal, API
documentation, or client SDKs, and its domain no longer serves a site — this profile is retained as a verified-defunct historical
record rather than an active API provider.
url: https://raw.githubusercontent.com/api-evangelist/koo/refs/heads/main/apis.yml
x-api-posture: no-product-api
x-api-posture-basis: observed
x-api-posture-note: Company ceased operations; domain is parked and no public API surface was ever published.
x-type: company
x-source: vc-portfolio
x-backed-by:
- accel
- tiger-global
x-tier: defunct
x-tier-reason: Company ceased operations; domain is parked and no public API surface was ever published. Enrichment pipeline
verified this on 2026-07-19 and produced no API artifacts by design.
x-status: defunct
x-verification:
probed: '2026-07-19'
findings:
- https://www.kooapp.com/ and https://kooapp.com/ return HTTP 404 serving a Wix "ConnectYourDomain Error" placeholder —
the domain resolves to Wix nameservers (ns2/ns3.wixdns.net) but no site is connected.
- No developer, docs, or api subdomain resolves (developers./docs./api.kooapp.com all fail to connect), and none appears
anywhere in the Wayback Web Archive index across ~50,000 archived kooapp.com URLs — only www.kooapp.com and the apex were
ever captured.
- All five probed /.well-known/ paths return 404 (see well-known/koo-well-known.yml).
- GitHub org koo-app exists but has 0 public repositories. Parent-company org bombinatetech has 16 public repositories,
all forks of general-purpose open source libraries (tus/tusd resumable upload, Elixir tooling, mobile UI components) —
no Koo API, SDK, or client library.
- No packages matching Koo on npm; no first-party SDK found on any package registry.
- Last Wayback capture of a live Koo site is dated 2024-10-30.
conclusion: No API, no developer portal, no SDKs, no event surface. No API artifacts were generated, as fabricating them
would misrepresent a company that never had a public API program.
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Social
- Social Network
- Microblogging
- India
- Consumer
- Defunct
tags_raw:
- Company
- Social
- Social Networking
- Microblogging
- India
- Consumer
- Defunct
apis: []
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com
- FN: APIs.json
email: info@apis.io
common:
- type: DomainSecurity
url: security/koo-domain-security.yml
- type: Website
url: https://www.kooapp.com/
x-status: parked
x-http-status: 404
x-enrichment:
date: '2026-07-19'
status: backfilled
pass: local-v1
note: backfilled from .gitignore signal + verified work evidence
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