Fyno

Fyno is a notification routing and orchestration platform that provides a single unified REST API for sending and managing notifications across 10+ communication channels including email, SMS, push, WhatsApp, in-app, RCS, voice, and iMessage. Engineering teams integrate once to gain access to 100+ pre-built provider integrations, a no-code workflow builder, and an advanced routing engine with automated throttling. The platform provides detailed analytics, delivery tracking, user profile management, suppression lists, and campaign management capabilities with a 99.99% uptime SLA. Fyno also includes Fyno Verify (OTP/TOTP authentication) and Fyno Shorty (URL shortener) as bundled services.

Fyno publishes 6 APIs on the APIs.io network, including Fire an Event API, Fyno Verify API, Manage User Profiles API, and 3 more. Tagged areas include Notification, Messaging, Communications, Push Notifications, and Email.

The Fyno catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Fyno’s developer surface includes authentication, documentation, API reference, engineering blog, pricing, changelog, and 14 more developer resources.

🌐 Visit website 📡 Source on GitHub

51.2/100 developing ▬ flat Agent 25/100 agent aware saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessFreemiumSelf serveFree trial⚡ Free to try

1 APIs

Notification Messaging Communications Push Notifications Email SMS WhatsApp In-App Orchestration Multi-Channel

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 51.2/100 · developing

Contract Quality 13.0 / 19

Developer Ergonomics 4.8 / 15

Access Clarity 7.1 / 15

Operational Transparency 5.6 / 10

Contract Governance 2.3 / 9

Discoverability 5.1 / 8

Regulatory Posture 4.6 / 15

Create-or-Update Ergonomics 1.1 / 10

Agent readiness — 25/100 · agent aware

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 0 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 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

Regulatory Posture applies to this provider. Its tags matched the Telecommunications 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/.

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 github.com/api-evangelist/fyno: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 10

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

Fyno User Profiles API

REST API for creating, reading, updating, and deleting user profiles within the Fyno platform. Supports adding and updating channel-specific destination data, merging user profi...

Fyno User Subscriptions API

REST API for managing user notification preferences and subscription settings. Allows retrieval and updates of per-user channel preferences and opt-in/opt-out controls for notif...

Fyno Suppression List API

REST API for managing the global suppression list to prevent unwanted notifications from being sent to specific users. Supports fetching the list, adding users to suppression, a...

Fyno Verify API

OTP and TOTP-based verification API for authenticating users via SMS, email, or authenticator apps. Bundled with Growth and above plans at no additional cost. Supports mobile SD...

Fyno Fire an Event API

The Fire an Event API from Fyno — 2 operation(s) for fire an event.

Fyno Fyno Verify API

The Fyno Verify API from Fyno — 1 operation(s) for fyno verify.

Fyno Manage User Profiles API

The Manage User Profiles API from Fyno — 6 operation(s) for manage user profiles.

Fyno Manage User Subscriptions & Preferences API

The Manage User Subscriptions & Preferences API from Fyno — 2 operation(s) for manage user subscriptions & preferences.

Fyno Suppression List API

The Suppression List API from Fyno — 1 operation(s) for suppression list.

Fyno User Properties API

Fyno Rest Fire an Event User Properties API

OPEN COLLECTION

Scroll for all 7

Pricing Plans 1

Published pricing tiers and plan structures.

Fyno Plans Pricing

5 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Fyno Rate Limits

6 limits

RATE LIMITS

FinOps 1

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

Fyno Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Fyno Context

0 classes · 26 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Fyno API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

Fyno Notification Event

6 properties

JSON SCHEMA

Fyno User Profile

5 properties

JSON SCHEMA

Examples 4

Example request and response payloads for these APIs.

Fyno Bulk Notify Example

4 fields

EXAMPLE

Fyno Create User Profile Example

4 fields

EXAMPLE

Fyno Notify Single User Example

4 fields

EXAMPLE

Fyno Notify With Explicit Channels Example

4 fields

EXAMPLE

Security Posture 3

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

Fyno Authentication

http · 1 scheme

SECURITY

Fyno Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Fyno Trust Center

SOC 2, ISO 27001, GDPR

SECURITY

Agentic Access 1

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

Fyno Agentic Access

23 operations · 20 acting

AGENTIC

Resources

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Vocabulary

Vocabulary

JSONLDContext

JSONLDContext

Build 2

SDKs, sample code, and the tooling you integrate with

PostmanWorkspace

PostmanWorkspace

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

TrustCenter

TrustCenter

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 3

Status, limits, changes, and where to get help

StatusPage

StatusPage

ChangeLog

ChangeLog

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

Plans

Plans

FinOps

FinOps

Company 3

The organization behind the API

Website

Website

LinkedIn

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

aid: fyno
name: Fyno
description: 'Fyno is a notification routing and orchestration platform that provides a single unified REST API for sending
  and managing notifications across 10+ communication channels including email, SMS, push, WhatsApp, in-app, RCS, voice, and
  iMessage. Engineering teams integrate once to gain access to 100+ pre-built provider integrations, a no-code workflow builder,
  and an advanced routing engine with automated throttling. The platform provides detailed analytics, delivery tracking, user
  profile management, suppression lists, and campaign management capabilities with a 99.99% uptime SLA. Fyno also includes
  Fyno Verify (OTP/TOTP authentication) and Fyno Shorty (URL shortener) as bundled services.

  '
type: Index
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: freemium
  onboarding: self-serve
  trial: true
  try_now: true
  public: false
  label: Freemium (free trial) · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/fyno.png
tags:
- Notification
- Messaging
- Communications
- Push Notifications
- Email
- SMS
- WhatsApp
- In-App
- Orchestration
- Multi-Channel
tags_raw:
- Notifications
- Messaging
- Communication
- Push Notifications
- Email
- SMS
- WhatsApp
- In-App
- Orchestration
- Multi-Channel
url: https://raw.githubusercontent.com/api-evangelist/fyno/refs/heads/main/apis.yml
created: '2026-06-12'
modified: '2026-06-12'
specificationVersion: '0.23'
apis:
- aid: fyno:user-profiles
  name: Fyno User Profiles API
  description: 'REST API for creating, reading, updating, and deleting user profiles within the Fyno platform. Supports adding
    and updating channel-specific destination data, merging user profiles, and managing channel identifiers for targeted notification
    delivery.

    '
  humanURL: https://fyno.io/docs/home
  baseURL: https://api.fyno.io/v1
  tags:
  - User
  - Profiles
  - Identity
  tags_raw:
  - Users
  - Profiles
  - Identity
  properties:
  - type: Documentation
    url: https://fyno.io/docs/home
- aid: fyno:user-subscriptions
  name: Fyno User Subscriptions API
  description: 'REST API for managing user notification preferences and subscription settings. Allows retrieval and updates
    of per-user channel preferences and opt-in/opt-out controls for notification categories.

    '
  humanURL: https://fyno.io/docs/home
  baseURL: https://api.fyno.io/v1
  tags:
  - Subscription
  - Preferences
  - User
  tags_raw:
  - Subscriptions
  - Preferences
  - Users
  properties:
  - type: Documentation
    url: https://fyno.io/docs/home
- aid: fyno:suppression-list
  name: Fyno Suppression List API
  description: 'REST API for managing the global suppression list to prevent unwanted notifications from being sent to specific
    users. Supports fetching the list, adding users to suppression, and removing suppressed users with per-event override
    capabilities.

    '
  humanURL: https://fyno.io/docs/home
  baseURL: https://api.fyno.io/v1
  tags:
  - Suppression
  - Compliance
  - User
  tags_raw:
  - Suppression
  - Compliance
  - Users
  properties:
  - type: Documentation
    url: https://fyno.io/docs/home
- aid: fyno:verify
  name: Fyno Verify API
  description: 'OTP and TOTP-based verification API for authenticating users via SMS, email, or authenticator apps. Bundled
    with Growth and above plans at no additional cost. Supports mobile SDKs for iOS (Swift) and Android (Kotlin) as well as
    React Native.

    '
  humanURL: https://fyno.io/docs/home
  baseURL: https://api.fyno.io/v1
  tags:
  - OTP
  - Authentication
  - Verification
  - TOTP
  properties:
  - type: Documentation
    url: https://fyno.io/docs/home
- aid: fyno:fyno-fire-an-event-api
  name: Fyno Fire an Event API
  description: The Fire an Event API from Fyno — 2 operation(s) for fire an event.
  humanURL: https://fyno.io/docs/notification-event-creation
  baseURL: https://api.fyno.io/v1
  tags:
  - Fire an Event
  properties:
  - type: OpenAPI
    url: openapi/fyno-fire-an-event-api-openapi.yml
  - type: Documentation
    url: https://fyno.io/docs/notification-event-creation
  - type: APIReference
    url: https://fyno.io/docs/api-reference
  - type: JSONSchema
    url: json-schema/fyno-notification-event-schema.json
  - type: JSONSchema
    url: json-schema/fyno-user-profile-schema.json
  - type: Examples
    url: examples/fyno-notify-single-user-example.json
  - type: Examples
    url: examples/fyno-notify-with-explicit-channels-example.json
  - type: Examples
    url: examples/fyno-bulk-notify-example.json
  - type: Examples
    url: examples/fyno-create-user-profile-example.json
- aid: fyno:fyno-fyno-verify-api
  name: Fyno Fyno Verify API
  description: The Fyno Verify API from Fyno — 1 operation(s) for fyno verify.
  humanURL: https://fyno.io/docs/notification-event-creation
  baseURL: https://api.fyno.io/v1
  tags:
  - Fyno Verify
  properties:
  - type: OpenAPI
    url: openapi/fyno-fyno-verify-api-openapi.yml
  - type: Documentation
    url: https://fyno.io/docs/notification-event-creation
  - type: APIReference
    url: https://fyno.io/docs/api-reference
  - type: JSONSchema
    url: json-schema/fyno-notification-event-schema.json
  - type: JSONSchema
    url: json-schema/fyno-user-profile-schema.json
  - type: Examples
    url: examples/fyno-notify-single-user-example.json
  - type: Examples
    url: examples/fyno-notify-with-explicit-channels-example.json
  - type: Examples
    url: examples/fyno-bulk-notify-example.json
  - type: Examples
    url: examples/fyno-create-user-profile-example.json
- aid: fyno:fyno-manage-user-profiles-api
  name: Fyno Manage User Profiles API
  description: The Manage User Profiles API from Fyno — 6 operation(s) for manage user profiles.
  humanURL: https://fyno.io/docs/notification-event-creation
  baseURL: https://api.fyno.io/v1
  tags:
  - Manage User Profiles
  properties:
  - type: OpenAPI
    url: openapi/fyno-manage-user-profiles-api-openapi.yml
  - type: Documentation
    url: https://fyno.io/docs/notification-event-creation
  - type: APIReference
    url: https://fyno.io/docs/api-reference
  - type: JSONSchema
    url: json-schema/fyno-notification-event-schema.json
  - type: JSONSchema
    url: json-schema/fyno-user-profile-schema.json
  - type: Examples
    url: examples/fyno-notify-single-user-example.json
  - type: Examples
    url: examples/fyno-notify-with-explicit-channels-example.json
  - type: Examples
    url: examples/fyno-bulk-notify-example.json
  - type: Examples
    url: examples/fyno-create-user-profile-example.json
- aid: fyno:fyno-manage-user-subscriptions-preferences-api
  name: Fyno Manage User Subscriptions & Preferences API
  description: The Manage User Subscriptions & Preferences API from Fyno — 2 operation(s) for manage user subscriptions &
    preferences.
  humanURL: https://fyno.io/docs/notification-event-creation
  baseURL: https://api.fyno.io/v1
  tags:
  - Manage User Subscriptions & Preferences
  properties:
  - type: OpenAPI
    url: openapi/fyno-manage-user-subscriptions-preferences-api-openapi.yml
  - type: Documentation
    url: https://fyno.io/docs/notification-event-creation
  - type: APIReference
    url: https://fyno.io/docs/api-reference
  - type: JSONSchema
    url: json-schema/fyno-notification-event-schema.json
  - type: JSONSchema
    url: json-schema/fyno-user-profile-schema.json
  - type: Examples
    url: examples/fyno-notify-single-user-example.json
  - type: Examples
    url: examples/fyno-notify-with-explicit-channels-example.json
  - type: Examples
    url: examples/fyno-bulk-notify-example.json
  - type: Examples
    url: examples/fyno-create-user-profile-example.json
- aid: fyno:fyno-suppression-list-api
  name: Fyno Suppression List API
  description: The Suppression List API from Fyno — 1 operation(s) for suppression list.
  humanURL: https://fyno.io/docs/notification-event-creation
  baseURL: https://api.fyno.io/v1
  tags:
  - Suppression List
  properties:
  - type: OpenAPI
    url: openapi/fyno-suppression-list-api-openapi.yml
  - type: Documentation
    url: https://fyno.io/docs/notification-event-creation
  - type: APIReference
    url: https://fyno.io/docs/api-reference
  - type: JSONSchema
    url: json-schema/fyno-notification-event-schema.json
  - type: JSONSchema
    url: json-schema/fyno-user-profile-schema.json
  - type: Examples
    url: examples/fyno-notify-single-user-example.json
  - type: Examples
    url: examples/fyno-notify-with-explicit-channels-example.json
  - type: Examples
    url: examples/fyno-bulk-notify-example.json
  - type: Examples
    url: examples/fyno-create-user-profile-example.json
- aid: fyno:fyno-user-properties-api
  name: Fyno User Properties API
  description: The User Properties API from Fyno — 7 operation(s) for user properties.
  humanURL: https://fyno.io/docs/notification-event-creation
  baseURL: https://api.fyno.io/v1
  tags:
  - User Properties
  properties:
  - type: OpenAPI
    url: openapi/fyno-user-properties-api-openapi.yml
  - type: Documentation
    url: https://fyno.io/docs/notification-event-creation
  - type: APIReference
    url: https://fyno.io/docs/api-reference
  - type: JSONSchema
    url: json-schema/fyno-notification-event-schema.json
  - type: JSONSchema
    url: json-schema/fyno-user-profile-schema.json
  - type: Examples
    url: examples/fyno-notify-single-user-example.json
  - type: Examples
    url: examples/fyno-notify-with-explicit-channels-example.json
  - type: Examples
    url: examples/fyno-bulk-notify-example.json
  - type: Examples
    url: examples/fyno-create-user-profile-example.json
common:
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/fyno/overview
- type: AgenticAccess
  url: agentic-access/fyno-agentic-access.yml
- type: TrustCenter
  url: security/fyno-trust-center.yml
- type: DomainSecurity
  url: security/fyno-domain-security.yml
- type: Authentication
  url: authentication/fyno-authentication.yml
- type: Website
  url: https://fyno.io/
- type: Documentation
  url: https://fyno.io/docs/home
- type: APIReference
  url: https://fyno.io/docs/api-reference
- type: GitHubOrganization
  url: https://github.com/fynoio
- type: LinkedIn
  url: https://in.linkedin.com/company/fyno-io
- type: X
  url: https://x.com/fynohq
- type: Blog
  url: https://fyno.io/blog
- type: Pricing
  url: https://fyno.io/ratecard
- type: StatusPage
  url: https://status.fyno.io/
- type: ChangeLog
  url: https://fyno.io/docs/release-notes
- type: Plans
  url: plans/fyno-plans-pricing.yml
- type: RateLimits
  url: rate-limits/fyno-rate-limits.yml
- type: FinOps
  url: finops/fyno-finops.yml
- type: Vocabulary
  url: vocabulary/fyno-vocabulary.yml
- type: JSONLDContext
  url: json-ld/fyno-context.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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