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

Square Loyalty APIThe Loyalty API from Square — 16 operation(s) for loyalty.75.7 Talon.One Loyalty APIRepresents loyalty programs or concepts related to them. Loyalty programs can be _profile-based_ or _card-b...74.4 Wallet / PassKit Web ServiceThe PassKit Web Service is a server-side HTTP contract that Wallet pass providers must implement so that Ap...73.1

Strong 16 Solid coverage with minor gaps

Adyen Loyalty APIThe Loyalty API from Adyen — 1 operation(s) for loyalty.65.4 Barclays Rewards Earn APIRecord and query rewards points earned on a Barclaycard account, for partners integrating a Barclays loyalt...62.0 Barclays Rewards Loyalty Sync APIIntegrate loyalty programs and sync rewards data with Barclays customer accounts.62.0 Barclays Rewards Pay with Points APIEnable customers to pay with Barclays Rewards points at merchant point-of-sale.62.0 Mews Loyalty Partner APIThe Mews Loyalty Partner API is a reverse API — Mews calls endpoints that the loyalty provider hosts — used...61.5 Mews Loyalty Partner APIReverse API for loyalty program providers — Mews calls the partner's endpoints to look up members, validate...59.8 Talkable Loyalty APIThe Loyalty API from Talkable — 5 operation(s) for loyalty.59.4 Mastercard Loyalty PromotionsDrive consumer engagement with customizable promotions delivered through your digital touchpoints to the ri...58.2 Mastercard Loyalty User ManagementThe Loyalty User Management API enables issuers and program operators to manage loyalty program users, hand...58.2 Mastercard Offers Merchant ContentThe Offers Merchant Content API enables merchants and merchant partners to manage and deliver card-linked o...58.2 Mastercard Pay with RewardsThe Pay with Rewards API enables issuers to allow cardholders to use their loyalty points to pay for purcha...58.2 Mastercard Personalized OffersPersonalized Offers analyzes payment card transaction history to present cardholders with relevant card-lin...58.2 Mastercard Points Activity ServiceThe Points Activity Service API provides a real-time update view of a consumers point activity details tha...58.2 Mastercard Priceless Platform APITap into the the world of Priceless experiences, offers, benefits and publish them your digital platforms.58.2 Splio Loyalty APIThe Loyalty API from Splio — 1 operation(s) for loyalty.54.3 Splio Referral APIReferral coupon API published as a public Postman collection. Checks and burns coupons for a referrer or a ...54.3

Developing 15 Usable, with meaningful gaps to close

Google Wallet APIAPIs for creating and managing digital passes for Google Wallet, including loyalty cards, event tickets, bo...51.6 Convertedin Loyalty & POS Integration APIA second merchant-implemented contract, aimed at loyalty and point-of-sale vendors. GET endpoints for /api/...50.8 MoMo Voucher Distribution APIAPI for creating and distributing promotion campaigns and voucher codes to MoMo users, and for reconciling ...50.4 WoowUp API v3REST API for syncing customers (multi-ID), purchases, products, categories, branches, coupons, benefits, po...48.2 WeFitter loyalty APIThe loyalty API from WeFitter — 2 operation(s) for loyalty.47.4 Sheeva Loyalty APIThe Loyalty API from Sheeva — 2 operation(s) for loyalty.44.6 Advance Auto Parts Loyalty APISpeed Perks loyalty program41.9 CCP Games Loyalty APIThe Loyalty API from CCP Games — 2 operation(s) for loyalty.41.9 CommBank YelloCommBank Yello is the bank's customer recognition and rewards program offering eligible customers exclusive...41.9 Tyro Payments Loyalty APIThe Loyalty API from Tyro Payments — 1 operation(s) for loyalty.41.9 Restaurant Brands International Loyalty APIThe Loyalty API from Restaurant Brands International — 1 operation(s) for loyalty.41.5 regal-entertainment-group Loyalty APIRegal Crown Club loyalty rewards41.4 Yotpo Loyalty APILoyalty and referrals customers, orders, and redemptions.41.4 EVE Online Loyalty APIThe Loyalty API from EVE Online — 4 operation(s) for loyalty.41.2 EZR Open PlatformThe EZR 开放平台 integration surface — 236 documented interfaces across 11 business domains (base data, member ...40.0

Thin 18 Limited public surface area

Phorest Loyalty APIClient loyalty point adjustments.38.2 Chase Rewards Balance APIAPI that allows merchant and partner systems to retrieve a Chase cardholder's current rewards points balanc...37.8 Xoxoday Reward Points APIAPI for distributing, tracking, and managing loyalty and engagement points programs. Supports sending point...37.8 Green Dot Cashback Rewards APICashback Rewards APIs manage cashback rewards programs on partner accounts — creating and managing rewards,...36.5 Expedia Group Loyalty APITemplate Loyalty Earn API35.4 AMC Entertainment Holdings Loyalty APIAMC Stubs loyalty accounts, cards, redemptions, and registrations.35.0 Samsung Wallet APISamsung Wallet API allows developers to add digital passes, tickets, boarding passes, loyalty cards, coupon...34.9 Nuitée (LiteAPI) Loyalty APILoyalty program configuration, points, and vouchers.34.2 Starbucks Loyalty APIStarbucks Rewards loyalty program operations33.8 Cielo Promo APIThe Cielo Promo API lets partner platforms surface merchant promotions and discounts to cardholders. It use...33.1 Slice Customers API (Modeled)Logical, modeled grouping for the diner accounts, order history, and marketing/loyalty relationships that S...33.0 GrabRewards (Points Earning & Tier) APIsThe Points Earning and GrabRewards Tier APIs let ecosystem partners award GrabRewards points for qualifying...31.8 HTS Travel Loyalty Portals (Banks)Travel loyalty portals powering bank travel programs, used by partners such as Capital One Travel and RBC. ...31.7 Southwest Airlines Rapid Rewards APIThe Rapid Rewards loyalty program API enables management of points balances, redemption, and tier status fo...30.1 Citi Pay with Points APIThe Citi Pay with Points API enables Citi cardholders to redeem ThankYou points and other rewards balances ...30.0 Rybbon Points-to-Rewards APIREST API for integrating a points-based reward system, allowing platforms to allocate points to recipients ...29.8 Swiftly Shopper GraphQL APIThe GraphQL API that backs Swiftly-built retailer mobile apps and websites. Exposes 45 queries and 11 mutat...27.7 SPG Loyalty APIThe Starwood Preferred Guest (SPG) Loyalty API provided programmatic access to the SPG loyalty program, ena...27.4

Emerging 22 Early or largely undocumented

Byte by Yum! PlatformByte by Yum! is Yum! Brands' proprietary AI-driven restaurant technology platform delivering digital orderi...25.7 Lucky Cart Game Experience APIGrants access to the gamified post-purchase experiences a shopper has earned. GET /game-experiences-access ...24.2 EV Connect Drivers APIManage drivers and their charging accounts, enabling custom driver apps, coupons pushed at plug-in, and loy...24.1 Kroger Identity and Loyalty APIThe Kroger Identity API provides OAuth 2.0-based authentication for Kroger customers including Roundy's ban...23.0 Revel Systems APIREST API for the Revel Systems iPad POS platform, covering orders, payments, products, inventory, customers...22.3 Sheetz Loyalty and Rewards APIThe Sheetz Rewards loyalty platform powered by Ignite Retail Technology provides a unified loyalty engine w...21.7 MyLinkables Consumer APIRESTful consumer API for building applications on top of the Linkable card-linked-offer platform. Per the p...21.2 Weis Markets Loyalty Rewards APIThe Weis Markets Loyalty Rewards API supports the Weis Rewards program, enabling digital loyalty card manag...21.2 American Express Network Loyalty PlatformThe American Express Network Loyalty Platform (the R42 Platform) is a suite of real-time Application Progra...21.1 American Express Pay with PointsAmerican Express Pay with Points allows cardholders to use the points they have earned through their Americ...21.1 American Express Smart Offer PartnershipThe American Express Smart Offer Partnership product provides registered partners with access to certain Am...21.1 Annex Cloud Members APICreate, enroll, retrieve, update, delete, search, and merge loyalty members, and read a member's activity a...21.0 KGeN Economy ProtocolsDeveloper APIs for the KGeN Esports and Loyalty protocols — sessions, tournaments, leaderboards, wallets (K...20.5 Skechers Plus Loyalty APIThe Skechers Plus loyalty program enables customers to earn and redeem points across all purchase channels ...19.4 Chick-fil-A Mobile AppThe Chick-fil-A mobile app provides mobile ordering, in-restaurant pickup, curbside, drive-thru express, an...18.8 Chick-fil-A OneChick-fil-A One is the tiered loyalty rewards program with four levels (Member, Silver, Red, Signature) off...18.8 Co:Create APIREST API for token-driven communities on Polygon: users and hosted wallets; ERC-20 / ERC-721 / ERC-1155 and...17.9 KFC China Super App PlatformThe KFC China Super App is Yum China's digital ordering and loyalty platform providing members with digital...16.9 Pizza Hut China Digital PlatformPizza Hut China's digital ordering and loyalty platform, part of Yum China's integrated membership ecosyste...16.9 Me Protocol PaaS APIHosted Platform-as-a-Service REST API for Me Protocol — the backend behind the embeddable rewards SDKs. Aut...16.4 Heartland Gift and Loyalty APIThe Heartland Gift and Loyalty API supports stored value cards, gift card issuance and redemption, and loya...14.6 ACME for U Loyalty ProgramACME for U is the chain's free loyalty program, surfacing personalized weekly ad deals, digital coupons, an...12.3

Minimal 8 Almost no public developer surface

Circle K Inner Circle RewardsInner Circle Rewards is Circle K's free loyalty program letting members earn fuel discounts, food rewards, ...9.9 Circle K Mobile AppThe Circle K mobile app provides access to Inner Circle Rewards membership, fuel-savings tracking, store lo...9.9 Burger King Mobile AppThe Burger King mobile app provides mobile ordering, in-store pickup, curbside pickup, and delivery via int...9.7 Burger King Royal PerksRoyal Perks is Burger King's loyalty rewards program that earns members crowns for purchases that can be re...9.7 McDonald's APIMcDonald's does not expose a public, self-service API. Ordering, delivery integration, menu data, loyalty, ...9.7 Carnival VIFP ClubCarnival VIFP (Very Important Fun Person) Club is Carnival Cruise Line's loyalty program with tiered status...8.9 Holland America Mariner SocietyMariner Society is Holland America Line's loyalty program offering tiered benefits including stateroom upgr...8.9 Princess Captain's CirclePrincess Captain's Circle is Princess Cruises' loyalty program offering tiered membership benefits includin...8.9

Companies reaching this through an API (37)

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

Score breakdown

Frequency

67.1

log-scaled weighted occurrences

Breadth

4.8

spread across providers

Quality lift

30.3

mean composite of providers using it

Cohesion

12.5

strength of nearest seed neighbor

Where this tag comes from

Provider tag176

Api tag86

Openapi tag18

Openapi op tag64

Cohort brief

Auto-generated

The 168 providers in the APIs.io catalog tagged Loyalty, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

168

all scored

Mean Kin Score

27.4

+3.5 vs catalog 23.9

Mean Agent Readiness

15.1

+3.1 vs catalog 12

Spread

1.5–87.3

median 21.7 · σ 18.8

How the 168 split by band

Exemplar 6Strong 11Developing 25Thin 33Emerging 52Minimal 41

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Developer Ergonomics	27.7	23.4	+4.3	168
Access Clarity	30.7	26.5	+4.2	168
Contract Quality	22.5	19.8	+2.7	168
Discoverability	63.5	61.2	+2.3	168
Operational Transparency	16.2	14	+2.2	168
Contract Governance	7.9	6.4	+1.5	168

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes

Artifact	This cohort	Catalog	Difference
MCP server (any)	12%	10%	+2
MCP server (first-party)	13%	13%	0
Agent Skills	0%	0%	0
OAuth scopes	17%	11%	+6
Security	99%	97%	+2
Arazzo workflows	1%	2%	-1
Governance rules	11%	14%	-3

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score

1 Brevo 87.3
2 Lightspeed Commerce 83.7
3 Square 75.7
4 Thanx 74.9
5 Talon.One 74.4
6 Punchh 71.6
7 Olo 64.8
8 Antavo 64.1
9 Extole 63.8
10 Dotdigital 62.8

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/loyalty"

All tags

curl "https://apis.io/api/v1/tags?limit=25"

As a scored cohort

curl "https://apis.io/api/v1/cohorts/tag/loyalty"

The distribution (Pro)

curl "https://apis.io/api/v1/cohorts/tag/loyalty/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.

Loyalty

Providers using this tag (176)

APIs with this tag (82)