established · -0.1

Card

Score 25.8 / 100 20 providers 20 APIs Search apis.io →
Workflows using this tag
Adyen Classic Authorise and Refund · Adyen Adyen Checkout Payment and Refund · Adyen Adyen Management Create Webhook, Generate HMAC and Test · Adyen Adyen Checkout Payment and Reverse · Adyen Adyen Checkout Payment and Cancel · Adyen Adyen Classic Authorise and Cancel · Adyen Adyen Checkout Payment and Capture · Adyen Adyen List Recurring Details and Disable a Token · Adyen
Business capabilities this tag reaches
Payments & Card Management 8 Point of Sale Operations Management 1
Variants seen in the corpus: Cardcard

Providers using this tag (20)

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

Exemplar 3 Complete, well-documented, and agent-ready
Strong 6 Solid coverage with minor gaps
Developing 5 Usable, with meaningful gaps to close
Thin 4 Limited public surface area
Emerging 2 Early or largely undocumented

APIs with this tag (18)

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
Strong 5 Solid coverage with minor gaps
Developing 5 Usable, with meaningful gaps to close
Thin 4 Limited public surface area
Emerging 1 Early or largely undocumented

Score breakdown

Frequency
50.2
log-scaled weighted occurrences
Breadth
0.5
spread across providers
Quality lift
59.1
mean composite of providers using it
Cohesion
8.9
strength of nearest seed neighbor

Related tags

Cancel 5 co-occurrences Disputes 6 co-occurrences Payment 5 co-occurrences Keys 5 co-occurrences Transfers 5 co-occurrences Cards 7 co-occurrences Refunds 6 co-occurrences List 5 co-occurrences

Where this tag comes from

Api tag19
Provider tag1
Openapi tag15
Openapi op tag130

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/card"
All tags
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort
curl "https://apis.io/api/v1/cohorts/tag/card"
The distribution (Pro)
curl "https://apis.io/api/v1/cohorts/tag/card/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 email required.

A second provider on the same verified email joins the account you already have.