SmartNews

SmartNews is a news-discovery company whose consumer app ranks and delivers news to tens of millions of readers in Japan and the United States. For developers it operates the SmartNews Ads platform and publishes the SmartNews Marketing API (v3) — a REST API for programmatically managing advertising campaigns, ad groups, ads, media files, custom audiences, conversion pixels, and Business Manager product catalogs, plus an Insights API for performance reporting. The API uses OAuth 2.0 bearer (JWT) access tokens and is documented with a public OpenAPI 3.0 reference and an official API-spec repository.

SmartNews publishes 15 APIs on the APIs.io network, including ad API, ad-group API, article category API, and 12 more. Tagged areas include Company, Consumer, News, Advertising, and AdTech.

SmartNews’ developer surface includes authentication, documentation, API reference, getting-started guide, support, signup flow, changelog, and 30 more developer resources.

🌐 Visit website 📡 Source on GitHub

51.3/100 developing ▬ flat Agent 32/100 agent ready saas Full breakdown ↓
scored 2026-09-06 · rubric v0.19.0

1 APIs

Company Consumer News Advertising AdTech Marketing Media Campaign Management

Kin Score

Kin Score How this is scored →
scored 2026-09-06 · rubric v0.19.0

Composite quality — 51.3/100 · developing

Contract Quality 14.9 / 25

Developer Ergonomics 12.7 / 20

Access Clarity 6.8 / 20

Operational Transparency 6.8 / 13

Contract Governance 2.4 / 12

Discoverability 7.6 / 10

Agent readiness — 32/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

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APIs 16

Individual APIs this provider publishes, each with its own machine-readable definition.

Open Collections 16

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Rate Limits 1

Documented rate limits and quota policies.

AGENTIC

Resources

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal

GettingStarted

SignUp

Sandbox

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

OpenAPI

OpenAPI

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

WellKnown

WellKnown

AgenticAccess

AgenticAccess

X-MCPServerCandidate

X-MCPServerCandidate

LLMsTxt

LLMsTxt

AgentSkill

AgentSkill

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

DataModel

Vocabulary

Build 2

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Packages

Packages

Access & Security 5

Authentication, authorization, and security posture

Security

Security

SecurityTxt

SecurityTxt

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 4

Status, limits, changes, and where to get help

RateLimits

Support

ChangeLog

Deprecation

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

Plans

Plans

PrivacyPolicy

PrivacyPolicy

Company 3

The organization behind the API

Website

Website

Blog

Blog

BlogRSS

BlogRSS

Other 2

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

Overlay

Overlay

Source (apis.yml)

aid: smartnews
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - authentication
  - rate-limits
  - security
  - sandbox
  generated: '2026-09-03'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/smartnews.png
name: SmartNews
description: SmartNews is a news-discovery company whose consumer app ranks and delivers news to tens of millions of readers
  in Japan and the United States. For developers it operates the SmartNews Ads platform and publishes the SmartNews Marketing
  API (v3) — a REST API for programmatically managing advertising campaigns, ad groups, ads, media files, custom audiences,
  conversion pixels, and Business Manager product catalogs, plus an Insights API for performance reporting. The API uses OAuth
  2.0 bearer (JWT) access tokens and is documented with a public OpenAPI 3.0 reference and an official API-spec repository.
url: https://raw.githubusercontent.com/api-evangelist/smartnews/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- atomico
x-tier: enriched
x-tier-reason: has-public-api
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-08-13'
tags:
- Company
- Consumer
- News
- Advertising
- AdTech
- Marketing
- Media
- Campaign Management
apis:
- aid: smartnews:smartnews-ad-api
  name: SmartNews ad API
  description: The ad API from SmartNews — 3 operation(s) for ad.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - Ad
  tags_raw:
  - ad
  properties:
  - type: OpenAPI
    url: openapi/smartnews-ad-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-ad-group-api
  name: SmartNews ad-group API
  description: The ad-group API from SmartNews — 4 operation(s) for ad-group.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - AdGroup
  tags_raw:
  - ad-group
  properties:
  - type: OpenAPI
    url: openapi/smartnews-ad-group-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-article-category-api
  name: SmartNews article category API
  description: The article category API from SmartNews — 1 operation(s) for article category.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - article category
  properties:
  - type: OpenAPI
    url: openapi/smartnews-article-category-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-campaign-api
  name: SmartNews campaign API
  description: The campaign API from SmartNews — 2 operation(s) for campaign.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - Campaign
  tags_raw:
  - campaign
  properties:
  - type: OpenAPI
    url: openapi/smartnews-campaign-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-catalog-api
  name: SmartNews catalog API
  description: The catalog API from SmartNews — 4 operation(s) for catalog.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - Catalog
  tags_raw:
  - catalog
  properties:
  - type: OpenAPI
    url: openapi/smartnews-catalog-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-channel-alias-label-api
  name: SmartNews channel alias label API
  description: The channel alias label API from SmartNews — 1 operation(s) for channel alias label.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - channel alias label
  properties:
  - type: OpenAPI
    url: openapi/smartnews-channel-alias-label-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-custom-audience-api
  name: SmartNews custom-audience API
  description: The custom-audience API from SmartNews — 4 operation(s) for custom-audience.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - custom-audience
  properties:
  - type: OpenAPI
    url: openapi/smartnews-custom-audience-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-developer-app-api
  name: SmartNews developer-app API
  description: The developer-app API from SmartNews — 1 operation(s) for developer-app.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - developer-app
  properties:
  - type: OpenAPI
    url: openapi/smartnews-developer-app-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-insights-api
  name: SmartNews insights API
  description: The insights API from SmartNews — 2 operation(s) for insights.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - Insights
  tags_raw:
  - insights
  properties:
  - type: OpenAPI
    url: openapi/smartnews-insights-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-interests-api
  name: SmartNews interests API
  description: The interests API from SmartNews — 1 operation(s) for interests.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - Interests
  tags_raw:
  - interests
  properties:
  - type: OpenAPI
    url: openapi/smartnews-interests-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-locations-api
  name: SmartNews locations API
  description: The locations API from SmartNews — 1 operation(s) for locations.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - Locations
  tags_raw:
  - locations
  properties:
  - type: OpenAPI
    url: openapi/smartnews-locations-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-media-file-api
  name: SmartNews media-file API
  description: The media-file API from SmartNews — 1 operation(s) for media-file.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags: []
  tags_raw:
  - media-file
  properties:
  - type: OpenAPI
    url: openapi/smartnews-media-file-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-oauth-api
  name: SmartNews oauth API
  description: The oauth API from SmartNews — 2 operation(s) for oauth.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - Authentication
  tags_raw:
  - oauth
  properties:
  - type: OpenAPI
    url: openapi/smartnews-oauth-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-pixel-api
  name: SmartNews pixel API
  description: The pixel API from SmartNews — 2 operation(s) for pixel.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - Pixel
  tags_raw:
  - pixel
  properties:
  - type: OpenAPI
    url: openapi/smartnews-pixel-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
- aid: smartnews:smartnews-conversion-api
  name: SmartNews Ads Conversion API
  description: Server-to-server conversion event ingestion for SmartNews Ads. Advertisers POST self-attributed web and app
    conversions (35 event names including Purchase, AddToCart, Lead, Install and SignUp) to SmartNews for attribution and
    optimization, either singly or in batches of up to 1,000 events. Auth is a token in the Authorization header; a published
    staging host is available for testing before switching to production. Documented in the official SmartNews Ads API spec
    repository and the Ads Help Center — no OpenAPI is published for this surface.
  humanURL: https://help-ads.smartnews.com/en/item-5499/
  baseURL: https://log.smartnews-ads.com
  tags:
  - Conversion
  - Event
  - Attribution
  tags_raw:
  - conversion
  - events
  - attribution
  properties:
  - type: Documentation
    url: https://help-ads.smartnews.com/en/item-5499/
  - type: APIReference
    url: https://github.com/smartnews/smartnews-ads-advertising-api-spec/blob/v1.0/smartnews-ads-conversion-api.md
  - type: Vocabulary
    url: vocabulary/smartnews-conversion-events.yml
  - type: Sandbox
    url: sandbox/smartnews-sandbox.yml
- aid: smartnews:smartnews-smart-view-article-keyword-api
  name: SmartNews smart view article keyword API
  description: The smart view article keyword API from SmartNews — 1 operation(s) for smart view article keyword.
  humanURL: https://ads.smartnews.com/developers/
  baseURL: https://ads.smartnews.com
  tags:
  - smart view article keyword
  properties:
  - type: OpenAPI
    url: openapi/smartnews-smart-view-article-keyword-api-openapi.yml
  - type: Documentation
    url: https://ads.smartnews.com/developers/
  - type: APIReference
    url: https://ads.smartnews.com/developers/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: CapabilityMap
  url: capabilities/smartnews-capability-edges.yml
  name: SmartNews Business Capability Map
- type: Overlay
  url: overlays/smartnews-marketing-overlay.yaml
- type: RateLimits
  url: rate-limits/smartnews-rate-limits.yml
- type: Security
  url: https://www.smartnews.com/.well-known/security.txt
- type: SecurityTxt
  url: well-known/smartnews-security.txt
- type: WellKnown
  url: well-known/smartnews-well-known.yml
- type: VulnerabilityDisclosure
  url: security/smartnews-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/smartnews-domain-security.yml
- type: AgenticAccess
  url: agentic-access/smartnews-agentic-access.yml
- type: Authentication
  url: authentication/smartnews-authentication.yml
- type: Website
  url: https://www.smartnews.com
- type: DeveloperPortal
  url: https://ads.smartnews.com/developers/
- type: Documentation
  url: https://ads.smartnews.com/developers/
- type: APIReference
  url: https://ads.smartnews.com/developers/
- type: GettingStarted
  url: https://help-ads.smartnews.com/en/item-4207/
- type: Support
  url: https://help-ads.smartnews.com/en/
- type: TermsOfService
  url: https://ads.smartnews.com/developers/tos-en.html
- type: GitHubOrganization
  url: https://github.com/smartnews
- type: SignUp
  url: https://ads.smartnews.com/
- type: OpenAPI
  url: openapi/_original/smartnews-marketing-openapi.json
- type: Conventions
  url: conventions/smartnews-conventions.yml
- type: ErrorCatalog
  url: errors/smartnews-problem-types.yml
- type: Lifecycle
  url: lifecycle/smartnews-lifecycle.yml
- type: ChangeLog
  url: changelog/smartnews-changelog.yml
- type: Conformance
  url: conformance/smartnews-conformance.yml
- type: DataModel
  url: data-model/smartnews-data-model.yml
- type: X-MCPServerCandidate
  url: mcp/smartnews-mcp.yml
  note: 'Renamed from MCPServer 2026-09-03 (roadmap#247): the manifest self-describes as status: candidate — a tool list derived
    from the published API contracts, not an existing server. The scorer already read the manifest and reported mcp_server
    correctly; the MCPServer type was crediting the artifact-type surfaces with a server that does not exist.'
- type: Packages
  url: packages/smartnews-packages.yml
- type: LLMsTxt
  url: llms/smartnews-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: Sandbox
  url: sandbox/smartnews-sandbox.yml
- type: Plans
  url: plans/smartnews-plans-pricing.yml
- type: Vocabulary
  url: vocabulary/smartnews-conversion-events.yml
- type: Deprecation
  url: https://ads.smartnews.com/developers/#section/How-to-Upgrade-From-Marketing-API-v2-to-v3
- type: PrivacyPolicy
  url: https://www.smartnews.com/privacy/
- type: Blog
  url: https://developer.smartnews.com/blog/
- type: BlogRSS
  url: https://developer.smartnews.com/blog/feed
x-enrichment:
  date: '2026-08-13'
  status: enriched
  artifacts_added: 3
  pass: local-v1

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