established · 0.0 market domain

Inbox

Score 24.3 / 100 4 providers +18 via APIs 19 APIs Search apis.io →

Providers using this tag (4)

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

Exemplar 1 Complete, well-documented, and agent-ready
NovuNotificationMessagingIn-AppEmail1 API71.1
Developing 2 Usable, with meaningful gaps to close
AgentMailCompanyArtificial IntelligenceEmailAI Agents1 API50.5FrontCustomer-SupportEmailCustomer Operations2 APIs41.4
Unrated 1 Not yet scored
InboxEmailMessagingDeliverability2 APIs

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 2 Complete, well-documented, and agent-ready
Novu Inbox / In-App APIClient-side API and React Inbox component for rendering an embedded in-app notification center, marking not...71.1lemlist Inbox APIThe unified reply inbox - conversations, messages, drafts, labels and sending on email, LinkedIn and WhatsApp.70.7
Strong 2 Solid coverage with minor gaps
TempMailGrab API Inbox APIThe Inbox API from TempMailGrab API — 6 operation(s) for inbox.61.7Agicap Inbox APIThe Inbox API from Agicap — 1 operation(s) for inbox.54.3
Developing 12 Usable, with meaningful gaps to close
Hiver Inbox APIThe Inbox API from Hiver — 6 operation(s) for inbox.52.6Govly Inbox APIRead and triage the authenticated user's matched inbox items.51.9Riot Inbox APIThe Inbox API from Riot — 3 operation(s) for inbox.50.5SAP BI Tools Inbox APIManage BI Inbox items including viewing received reports and scheduled instances.50.3KU Leuven Inbox APIThe Inbox API from KU Leuven — 1 operation(s) for inbox.49.9Orderful Inbox APIRetrieve transactions from inboxes.49.8MedAdvisor Inbox APIThe Inbox API from MedAdvisor — 8 operation(s) for inbox.49.7Delinea Inbox APIInboxController48.8Dialect Inbox APIThe Inbox API from Dialect — 17 operation(s) for inbox.48.2Huma Inbox APIThe Inbox API from Huma — 5 operation(s) for inbox.47.8Testmail Inbox APIRetrieve test emails from programmable inboxes44.6Harvard University Inbox APIThe Inbox API from Harvard University — 1 operation(s) for inbox.43.7
Thin 3 Limited public surface area
Courier Inbox Real-Time APIWebSocket service that delivers Inbox messages and message-state events (read, unread, opened, archived, cl...35.4Updox Document Management APICreate, retrieve, and route documents within the Updox inbox, with Document Management webhooks for documen...32.8Primitive Inbox APICheck inbound email setup and processing readiness29.4

Companies reaching this through an API (18)

These companies publish an API, specification or operation carrying “Inbox” 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.

Agicap Courier Delinea Dialect Govly Harvard University Hiver Huma KU Leuven lemlist MedAdvisor Orderful Primitive Riot SAP BI Tools TempMailGrab API Testmail Updox

Score breakdown

Frequency
46.0
log-scaled weighted occurrences
Breadth
0.1
spread across providers
Quality lift
61.6
mean composite of providers using it
Cohesion
3.1
strength of nearest seed neighbor

Related tags

Email 8 co-occurrences Notification 6 co-occurrences Agents 5 co-occurrences Webhook 7 co-occurrences User 6 co-occurrences Authentication 7 co-occurrences Company 7 co-occurrences

Where this tag comes from

Provider tag4
Api tag19
Openapi tag14
Openapi op tag67

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/inbox"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/inbox"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/inbox/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

Discovery needs no key. Ratings and market analysis are Pro.

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.