Friendbuy

Friendbuy is a referral and loyalty marketing platform for ecommerce and direct-to-consumer brands. Merchants launch referral, loyalty, and reward campaigns through on-site widgets and a no-code dashboard, and integrate server-to-server through the Friendbuy Merchant API (base https://mapi.fbot.me/v1). The Merchant API lets merchants sync customer records, generate personal referral links, track purchase / sign-up / custom conversion events, pull campaign and reward analytics, and manage loyalty ledger balances, adjustments, redemptions, and coupons. Authentication is a key/secret exchange at POST /authorization that returns a short-lived Bearer JWT. Access to the API and to production credentials is gated behind a paid, contact-sales plan.

Friendbuy publishes 7 API contracts indexed on the APIs.io network, including Analytics API, Authorization API, Customers API, and 4 more. Tagged areas include Referral Marketing, Loyalty, Rewards, E-Commerce, and Marketing.

The Friendbuy catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.

Friendbuy’s developer surface includes pricing, authentication, documentation, engineering blog, changelog, API reference, getting-started guide, and 31 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

62.5/100 strong ▬ flat Agent 30/100 agent ready Front door AI 1/6 silent Heartbeat 50/100 alive saas Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessPaid

1 published contract 4 Agent Skills

Referral Marketing Loyalty Rewards E-Commerce Marketing Advocacy Loyalty & Incentives

What this lets a business do 2

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Customer Relationship Management

BC-420

CustomersReferralsRewards & Loyalty

GET /ledger-balance POST /reward/redeem POST /postCustomer GET /getMemberTierCustomer

Marketing Management

BC-400

Analytics

GET /analytics/widget-views GET /analytics/rewards/referral GET /analytics/email-metrics

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 62.5/100 · strong

Contract Quality 10.8 / 19

Developer Ergonomics 9.2 / 15

Access Clarity 11.5 / 15

Operational Transparency 6.7 / 10

Contract Governance 1.6 / 9

Discoverability 5.5 / 8

Regulatory Posture 2.8 / 15

Create-or-Update Ergonomics 2.2 / 10

Agent readiness — 30/100 · 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 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 6 / 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

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship Ask about this →
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) Ask about this →
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link Ask about this →
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document Ask about this →
Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented) Ask about this →

6 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 57.8 — up to +10.6 composite points Ask about this →
Contract Governance scores 18.2 — up to +9.8 composite points Ask about this →
Developer Ergonomics scores 61.3 — up to +7.7 composite points Ask about this →

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

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Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/friendbuy/apis.yml: open an issue on github.com/api-evangelist/friendbuy to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
Commerce Platform Ecosystems (Shopify, WooCommerce, Stripe Apps)	builds-on	44.7	-	-
MACH & Headless Commerce	builds-on	44.7	-	-
Stripe App Marketplace and Partner Ecosystem (builders on Stripe)	builds-on	44.7	-	-

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

OpenAPI

measured — observed by APIs.io (published)

APIs 7

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

Friendbuy Analytics API

Pull campaign, share, click, conversion, and reward analytics.

Friendbuy Authorization API

Exchange account key and secret for a Bearer token.

Friendbuy Customers API

Create and retrieve customer records and manage customer data requests.

Friendbuy Events API

Track purchase, sign-up, and custom conversion events.

Friendbuy Management API

Block users from campaigns.

Friendbuy Referrals API

Generate personal referral links and check referral status.

Friendbuy Rewards & Loyalty API

Manage loyalty ledger balances, adjustments, redemptions, and coupons.

Scroll for all 7

Open Collections 8

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

Friendbuy Merchant Analytics API

OPEN COLLECTION

Friendbuy Merchant Analytics Authorization API

OPEN COLLECTION

Friendbuy Merchant Analytics Customers API

OPEN COLLECTION

Friendbuy Merchant Analytics Events API

OPEN COLLECTION

Friendbuy Merchant Analytics Management API

OPEN COLLECTION

Friendbuy Merchant Analytics Referrals API

OPEN COLLECTION

Friendbuy Merchant Analytics Rewards & Loyalty API

OPEN COLLECTION

Friendbuy Merchant API

OPEN COLLECTION

Scroll for all 8

Agent Skills 4

Packaged agent skills for driving this provider's APIs from an AI assistant.

Receive and verify Friendbuy webhooks and callbacks

AGENT SKILL

Read, adjust and redeem a Friendbuy loyalty ledger

AGENT SKILL

Service a CCPA/GDPR data request against Friendbuy

AGENT SKILL

Mint a Friendbuy referral link and track the conversion it produces

AGENT SKILL

Friendbuy API pricing

Prices published by Friendbuy, read 2026-08-13 from friendbuy.com. This record is due for a re-check.

Plan	Price
Starter paid	—
Deluxe paid	—
Enterprise / Custom enterprise	—

Plan details, limits and sources →

Rate limits

Merchant API Requests: not published requests
Authorization Token Lifetime: short-lived (see expires timestamp) token
Referral Link Generation: use batch endpoint for volume requests

All 4 limits →

Pricing Plans 1

Published pricing tiers and plan structures.

Friendbuy Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Friendbuy Rate Limits

4 limits

RATE LIMITS

Terms of Service 1

What its API terms permit and prohibit, quoted from its own page.

Friendbuy

11 quoted statements, read from Friendbuy's own page on 2026-11-09.

TERMS

Privacy & Data 1

Its role, the data it processes, retention and transfers, quoted from its own privacy page.

Friendbuy

20 quoted statements, read from Friendbuy's own page on 2026-11-09.

PRIVACY

Eligibility 1

Who may sign up and where, quoted from its own terms.

Friendbuy

3 quoted statements, read from Friendbuy's own page on 2026-11-09.

ELIGIBILITY

AI Preferences 1

Its stance on AI training, inference and agents, quoted from its own pages.

Friendbuy

1 quoted statement, read from Friendbuy's own page on 2026-11-09.

AI PREFS

Data License 1

How its data and outputs may be reused, quoted from its own terms.

Friendbuy

2 quoted statements, read from Friendbuy's own page on 2026-11-09.

LICENSE

FinOps 1

Cost, billing, and metering signals for API financial operations.

Friendbuy Finops

FINOPS

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Friendbuy Webhooks

ASYNCAPI

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.

Friendbuy API Rules

70 rules · 65 error-severity 4 warn-severity 1 info-severity

SPECTRAL

OpenAPI Overlays 7

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

Friendbuy Analytics Overlay

13 actions · update · friendbuy-analytics-api-openapi.yml

DERIVED

Friendbuy Authorization Overlay

4 actions · update · friendbuy-authorization-api-openapi.yml

DERIVED

Friendbuy Customers Overlay

5 actions · update · friendbuy-customers-api-openapi.yml

DERIVED

Friendbuy Events Overlay

6 actions · update · friendbuy-events-api-openapi.yml

DERIVED

Friendbuy Management Overlay

4 actions · update · friendbuy-management-api-openapi.yml

DERIVED

Friendbuy Referrals Overlay

5 actions · update · friendbuy-referrals-api-openapi.yml

DERIVED

Friendbuy Rewards Loyalty Overlay

11 actions · update · friendbuy-rewards-loyalty-api-openapi.yml

DERIVED

Scroll for all 7

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Friendbuy Authentication

http · 1 scheme

SECURITY

Friendbuy Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access (API Evangelist recommendations) 1

Recommended x-agentic-access execution contracts for AI agents.

Friendbuy Agentic Access

31 operations · 12 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Login

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

AIPreferences

AIPreferences

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

AgentSkill

AgentSkill

LLMsTxt

LLMsTxt

Design & Contract 7

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

Webhooks

DataModel

Components

Scroll for all 7

Build 3

SDKs, sample code, and the tooling you integrate with

Packages

Packages

SDKs

SDKs

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 4

Status, limits, changes, and where to get help

RateLimits

StatusPage

ChangeLog

Support

Commercial 7

Pricing, plans, and the legal terms of use

Pricing

Plans

FinOps

TermsOfService

PrivacyPolicy

UsageTerms

DataLicense

Scroll for all 7

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Other 3

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

DataProcessing

DataProcessing

Eligibility

Eligibility

Source (apis.yml)

aid: friendbuy
url: https://raw.githubusercontent.com/api-evangelist/friendbuy/refs/heads/main/apis.yml
name: Friendbuy
kind: company
description: Friendbuy is a referral and loyalty marketing platform for ecommerce and direct-to-consumer brands. Merchants
  launch referral, loyalty, and reward campaigns through on-site widgets and a no-code dashboard, and integrate server-to-server
  through the Friendbuy Merchant API (base https://mapi.fbot.me/v1). The Merchant API lets merchants sync customer records,
  generate personal referral links, track purchase / sign-up / custom conversion events, pull campaign and reward analytics,
  and manage loyalty ledger balances, adjustments, redemptions, and coupons. Authentication is a key/secret exchange at POST
  /authorization that returns a short-lived Bearer JWT. Access to the API and to production credentials is gated behind a
  paid, contact-sales plan.
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: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: high
  source:
  - plans
  - authentication
  - rate-limits
  - security
  generated: '2026-11-13'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/friendbuy.png
tags:
- Referral Marketing
- Loyalty
- Rewards
- E-Commerce
- Marketing
- Advocacy
- Loyalty & Incentives
tags_raw:
- Referral Marketing
- Loyalty
- Rewards
- Ecommerce
- Marketing
- Advocacy
- Loyalty & Incentives
created: '2026-07-10'
modified: '2026-08-13'
specificationVersion: '0.23'
apis:
- aid: friendbuy:friendbuy-analytics-api
  name: Friendbuy Analytics API
  description: Pull campaign, share, click, conversion, and reward analytics.
  humanURL: https://developers.friendbuy.com
  baseURL: https://mapi.fbot.me/v1
  tags:
  - Analytics
  properties:
  - type: OpenAPI
    url: openapi/friendbuy-analytics-api-openapi.yml
  - type: Overlay
    url: overlays/friendbuy-analytics-overlay.yaml
  - type: Documentation
    url: https://developers.friendbuy.com
  - type: APIReference
    url: https://developers.friendbuy.com
  - type: PostmanCollection
    url: collections/friendbuy.postman_collection.json
  - type: OpenCollection
    url: collections/friendbuy.opencollection.json
- aid: friendbuy:friendbuy-authorization-api
  name: Friendbuy Authorization API
  description: Exchange account key and secret for a Bearer token.
  humanURL: https://developers.friendbuy.com
  baseURL: https://mapi.fbot.me/v1
  tags:
  - Authorization
  properties:
  - type: OpenAPI
    url: openapi/friendbuy-authorization-api-openapi.yml
  - type: Overlay
    url: overlays/friendbuy-authorization-overlay.yaml
  - type: Documentation
    url: https://developers.friendbuy.com
  - type: APIReference
    url: https://developers.friendbuy.com
  - type: PostmanCollection
    url: collections/friendbuy.postman_collection.json
  - type: OpenCollection
    url: collections/friendbuy.opencollection.json
- aid: friendbuy:friendbuy-customers-api
  name: Friendbuy Customers API
  description: Create and retrieve customer records and manage customer data requests.
  humanURL: https://developers.friendbuy.com
  baseURL: https://mapi.fbot.me/v1
  tags:
  - Customers
  properties:
  - type: OpenAPI
    url: openapi/friendbuy-customers-api-openapi.yml
  - type: Overlay
    url: overlays/friendbuy-customers-overlay.yaml
  - type: Documentation
    url: https://developers.friendbuy.com
  - type: APIReference
    url: https://developers.friendbuy.com
  - type: PostmanCollection
    url: collections/friendbuy.postman_collection.json
  - type: OpenCollection
    url: collections/friendbuy.opencollection.json
- aid: friendbuy:friendbuy-events-api
  name: Friendbuy Events API
  description: Track purchase, sign-up, and custom conversion events.
  humanURL: https://developers.friendbuy.com
  baseURL: https://mapi.fbot.me/v1
  tags:
  - Event
  tags_raw:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/friendbuy-events-api-openapi.yml
  - type: Overlay
    url: overlays/friendbuy-events-overlay.yaml
  - type: Documentation
    url: https://developers.friendbuy.com
  - type: APIReference
    url: https://developers.friendbuy.com
  - type: PostmanCollection
    url: collections/friendbuy.postman_collection.json
  - type: OpenCollection
    url: collections/friendbuy.opencollection.json
- aid: friendbuy:friendbuy-management-api
  name: Friendbuy Management API
  description: Block users from campaigns.
  humanURL: https://developers.friendbuy.com
  baseURL: https://mapi.fbot.me/v1
  tags:
  - Management
  properties:
  - type: OpenAPI
    url: openapi/friendbuy-management-api-openapi.yml
  - type: Overlay
    url: overlays/friendbuy-management-overlay.yaml
  - type: Documentation
    url: https://developers.friendbuy.com
  - type: APIReference
    url: https://developers.friendbuy.com
  - type: PostmanCollection
    url: collections/friendbuy.postman_collection.json
  - type: OpenCollection
    url: collections/friendbuy.opencollection.json
- aid: friendbuy:friendbuy-referrals-api
  name: Friendbuy Referrals API
  description: Generate personal referral links and check referral status.
  humanURL: https://developers.friendbuy.com
  baseURL: https://mapi.fbot.me/v1
  tags:
  - Referrals
  properties:
  - type: OpenAPI
    url: openapi/friendbuy-referrals-api-openapi.yml
  - type: Overlay
    url: overlays/friendbuy-referrals-overlay.yaml
  - type: Documentation
    url: https://developers.friendbuy.com
  - type: APIReference
    url: https://developers.friendbuy.com
  - type: PostmanCollection
    url: collections/friendbuy.postman_collection.json
  - type: OpenCollection
    url: collections/friendbuy.opencollection.json
- aid: friendbuy:friendbuy-rewards-loyalty-api
  name: Friendbuy Rewards & Loyalty API
  description: Manage loyalty ledger balances, adjustments, redemptions, and coupons.
  humanURL: https://developers.friendbuy.com
  baseURL: https://mapi.fbot.me/v1
  tags:
  - Rewards & Loyalty
  properties:
  - type: OpenAPI
    url: openapi/friendbuy-rewards-loyalty-api-openapi.yml
  - type: Overlay
    url: overlays/friendbuy-rewards-loyalty-overlay.yaml
  - type: Documentation
    url: https://developers.friendbuy.com
  - type: APIReference
    url: https://developers.friendbuy.com
  - type: PostmanCollection
    url: collections/friendbuy.postman_collection.json
  - type: OpenCollection
    url: collections/friendbuy.opencollection.json
common:
- type: Pricing
  url: https://www.friendbuy.com/book-a-meeting
- type: CapabilityMap
  url: capabilities/friendbuy-capability-edges.yml
  name: Friendbuy Business Capability Map
- type: AgenticAccess
  url: agentic-access/friendbuy-agentic-access.yml
- type: DomainSecurity
  url: security/friendbuy-domain-security.yml
- type: Authentication
  url: authentication/friendbuy-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/friendbuy
- type: Website
  url: https://friendbuy.com
- type: Documentation
  url: https://developers.friendbuy.com
- type: Plans
  url: plans/friendbuy-plans-pricing.yml
- type: RateLimits
  url: rate-limits/friendbuy-rate-limits.yml
- type: FinOps
  url: finops/friendbuy-finops.yml
- url: https://friendbuy.com/blog
  type: Blog
- type: Packages
  url: packages/friendbuy-packages.yml
- type: SDKs
  url: packages/friendbuy-packages.yml
- type: Conventions
  url: conventions/friendbuy-conventions.yml
- type: ErrorCatalog
  url: errors/friendbuy-problem-types.yml
- type: Lifecycle
  url: lifecycle/friendbuy-lifecycle.yml
- type: StatusPage
  url: https://friendbuy.statuspage.io
- type: Conformance
  url: conformance/friendbuy-conformance.yml
- type: Webhooks
  url: asyncapi/friendbuy-webhooks.yml
- type: DataModel
  url: data-model/friendbuy-data-model.yml
- type: Components
  url: components/friendbuy-components.yml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/friendbuy-llms.txt
- type: ChangeLog
  url: https://www.friendbuy.com/product-updates
- type: DeveloperPortal
  url: https://developers.friendbuy.com
- type: APIReference
  url: https://developers.friendbuy.com
- type: GettingStarted
  url: https://developers.friendbuy.com#integration-setup
- type: Support
  url: https://support.friendbuy.com
- type: GitHubOrganization
  url: https://github.com/friendbuy
- type: Login
  url: https://retailer.fbot.me
- type: TermsOfService
  url: https://friendbuy.com/terms-of-service
- type: PrivacyPolicy
  url: https://friendbuy.com/privacy
- type: UsageTerms
  url: terms/friendbuy-terms-of-service.yml
- type: DataProcessing
  url: privacy/friendbuy-privacy-policy.yml
- type: Eligibility
  url: eligibility/friendbuy-eligibility.yml
- type: AIPreferences
  url: ai-preferences/friendbuy-ai-preferences.yml
- type: DataLicense
  url: data-license/friendbuy-data-license.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-enrichment:
  date: '2026-08-13'
  status: enriched
  artifacts_added: 24
  pass: local-v1

Friendbuy API — frequently asked questions

Does Friendbuy have an API?

Yes. APIs.io lists 7 APIs from Friendbuy, including Friendbuy Analytics API, Friendbuy Authorization API and Friendbuy Customers API, and 4 more.

Is there an OpenAPI specification for the Friendbuy API?

Yes. APIs.io indexes 7 OpenAPI specifications for Friendbuy, each linked for download from this page.

How do I authenticate with the Friendbuy API?

Friendbuy uses bearer-token authentication (http · 1 scheme). The details are profiled on APIs.io as Friendbuy Authentication.

How much does the Friendbuy API cost?

APIs.io lists 3 pricing plans for Friendbuy, with each plan's price, limits and inclusions under Pricing on this page.

Is the Friendbuy API ready for AI agents?

Friendbuy has a Kin Score of 62.5 out of 100 (strong) and an Agent Readiness score of 30.1 (agent-ready), scored by API Evangelist on 2026-11-13.

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