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Ampersand
Ampersand
Ampersand is a developer-first platform for building native SaaS integrations. It provides an embeddable UI component and managed infrastructure that lets developers add product integrations quickly, handling OAuth, data sync, webhooks, and field mapping out of the box. The platform supports hundreds of SaaS connectors including Salesforce, HubSpot, Marketo, Microsoft Dynamics 365, Zendesk, and Gong with bi-directional sync and declarative configuration.
Ampersand publishes 18 APIs on the APIs.io network, including API Key API, Billing Account API, Connection API, and 15 more. Tagged areas include Developer Tools, Integrations, Platform, SaaS, and OAuth.
The Ampersand catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.
Ampersand’s developer surface includes authentication, documentation, engineering blog, signup flow, CLI, and 11 more developer resources.
18 APIs
9 Features
6 Use Cases
Developer Tools Integrations Platform SaaS OAuth Data Sync Webhooks
On this page
Kin Score
APIs 18
Pricing Plans 1
Rate Limits 1
FinOps 1
Features 9
Vocabularies 1
Spectral Rules 2
JSON Schema 50
JSON Structure 50
Examples 47
Security Posture 2
Agentic Access 1
Use Cases 6
Resources 16
apis.yml
37 Operational Transparency
Composite quality — 54.2/100 · developing
Contract Quality
16.3 / 25
Developer Ergonomics
7.0 / 20
Commercial Clarity
10.5 / 20
Operational Transparency
4.8 / 13
Agent readiness — 44/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract
10 / 10
MCP Server
0 / 12
Machine-Readable Auth
10 / 10
Idempotency
0 / 9
Stable Error Semantics
8 / 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
Individual APIs this provider publishes, each with its own machine-readable definition.
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Published pricing tiers and plan structures.
Documented rate limits and quota policies.
Cost, billing, and metering signals for API financial operations.
Notable capabilities this provider offers.
Scroll for all 9
JSON-LD contexts and semantic vocabularies used across these APIs.
Spectral governance rulesets for linting and validating these APIs.
Standalone JSON Schema definitions for this provider's data models.
Scroll for all 50
JSON Structure definitions describing this provider's data shapes.
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Example request and response payloads for these APIs.
Scroll for all 47
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Recommended x-agentic-access execution contracts for AI agents.
What developers build with this provider.
Get Started 2
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 2
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 3
Pagination, idempotency, versioning, errors, and events
Build 3
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Company 3
The organization behind the API
Source (apis.yml)
aid: ampersand
url: https://raw.githubusercontent.com/api-evangelist/ampersand/refs/heads/main/apis.yml
name: Ampersand
description: Ampersand is a developer-first platform for building native SaaS integrations. It provides an embeddable UI component
and managed infrastructure that lets developers add product integrations quickly, handling OAuth, data sync, webhooks, and
field mapping out of the box. The platform supports hundreds of SaaS connectors including Salesforce, HubSpot, Marketo,
Microsoft Dynamics 365, Zendesk, and Gong with bi-directional sync and declarative configuration.
accessModel:
pricing: freemium
onboarding: self-serve
trial: false
try_now: true
public: false
label: Freemium · 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/ampersand.png
tags:
- Developer Tools
- Integrations
- Platform
- SaaS
- OAuth
- Data Sync
- Webhooks
created: '2026-03-16'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: ampersand:ampersand-api-key-api
name: Ampersand API Key API
description: The API Key API from Ampersand — 2 operation(s) for api key.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- API Key
properties:
- type: OpenAPI
url: openapi/ampersand-api-key-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-billing-account-api
name: Ampersand Billing Account API
description: The Billing Account API from Ampersand — 2 operation(s) for billing account.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Billing Account
properties:
- type: OpenAPI
url: openapi/ampersand-billing-account-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-connection-api
name: Ampersand Connection API
description: The Connection API from Ampersand — 3 operation(s) for connection.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Connection
properties:
- type: OpenAPI
url: openapi/ampersand-connection-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-destination-api
name: Ampersand Destination API
description: The Destination API from Ampersand — 6 operation(s) for destination.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Destination
properties:
- type: OpenAPI
url: openapi/ampersand-destination-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-installation-api
name: Ampersand Installation API
description: The Installation API from Ampersand — 4 operation(s) for installation.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Installation
properties:
- type: OpenAPI
url: openapi/ampersand-installation-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-integration-api
name: Ampersand Integration API
description: The Integration API from Ampersand — 4 operation(s) for integration.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Integration
properties:
- type: OpenAPI
url: openapi/ampersand-integration-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-jwt-key-api
name: Ampersand JWT Key API
description: The JWT Key API from Ampersand — 2 operation(s) for jwt key.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- JWT Key
properties:
- type: OpenAPI
url: openapi/ampersand-jwt-key-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-notification-api
name: Ampersand Notification API
description: The Notification API from Ampersand — 2 operation(s) for notification.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Notification
properties:
- type: OpenAPI
url: openapi/ampersand-notification-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-oauth-api
name: Ampersand OAuth API
description: The OAuth API from Ampersand — 2 operation(s) for oauth.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- OAuth
properties:
- type: OpenAPI
url: openapi/ampersand-oauth-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-objects-fields-api
name: Ampersand Objects & Fields API
description: The Objects & Fields API from Ampersand — 4 operation(s) for objects & fields.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Objects & Fields
properties:
- type: OpenAPI
url: openapi/ampersand-objects-fields-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-operation-api
name: Ampersand Operation API
description: The Operation API from Ampersand — 4 operation(s) for operation.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Operation
properties:
- type: OpenAPI
url: openapi/ampersand-operation-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-org-api
name: Ampersand Org API
description: The Org API from Ampersand — 8 operation(s) for org.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Org
properties:
- type: OpenAPI
url: openapi/ampersand-org-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-project-api
name: Ampersand Project API
description: The Project API from Ampersand — 2 operation(s) for project.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Project
properties:
- type: OpenAPI
url: openapi/ampersand-project-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-provider-api
name: Ampersand Provider API
description: The Provider API from Ampersand — 2 operation(s) for provider.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Provider
properties:
- type: OpenAPI
url: openapi/ampersand-provider-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-provider-app-api
name: Ampersand Provider App API
description: The Provider App API from Ampersand — 2 operation(s) for provider app.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Provider App
properties:
- type: OpenAPI
url: openapi/ampersand-provider-app-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-revision-api
name: Ampersand Revision API
description: The Revision API from Ampersand — 2 operation(s) for revision.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Revision
properties:
- type: OpenAPI
url: openapi/ampersand-revision-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-upload-url-api
name: Ampersand Upload URL API
description: The Upload URL API from Ampersand — 1 operation(s) for upload url.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- Upload URL
properties:
- type: OpenAPI
url: openapi/ampersand-upload-url-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
- aid: ampersand:ampersand-user-api
name: Ampersand User API
description: The User API from Ampersand — 2 operation(s) for user.
humanURL: https://docs.withampersand.com/
baseURL: https://api.withampersand.com
tags:
- User
properties:
- type: OpenAPI
url: openapi/ampersand-user-api-openapi.yml
- type: Documentation
url: https://docs.withampersand.com/
- type: GettingStarted
url: https://docs.withampersand.com/getting-started
- type: Authentication
url: https://docs.withampersand.com/reference/authentication
common:
- type: AgenticAccess
url: agentic-access/ampersand-agentic-access.yml
- type: DomainSecurity
url: security/ampersand-domain-security.yml
- type: Authentication
url: authentication/ampersand-authentication.yml
- type: LinkedIn
url: https://www.linkedin.com/company/meetampersand
- type: Website
url: https://www.withampersand.com/
- type: Documentation
url: https://docs.withampersand.com/
- type: GitHubOrganization
url: https://github.com/amp-labs
- type: Blog
url: https://www.withampersand.com/blog
- type: Signup
url: https://dashboard.withampersand.com/sign-up
- type: Login
url: https://dashboard.withampersand.com/sign-in
- type: SDKs
url: https://www.npmjs.com/package/@amp-labs/react
title: React UI SDK
- type: CLI
url: https://github.com/amp-labs/cli
- type: SpectralRules
url: rules/ampersand-spectral-rules.yml
- type: JSONLD
url: json-ld/ampersand-api-context.jsonld
- type: Vocabulary
url: vocabulary/ampersand-vocabulary.yaml
- type: Features
data:
- name: Declarative Integration Framework
description: Code-based, composable integration building that is version-controllable and CI/CD compatible for professional
engineering workflows.
- name: Managed OAuth Authentication
description: Free auth token management with auto-refresh for all supported SaaS providers, eliminating OAuth complexity
from product teams.
- name: Bi-directional Data Sync
description: On-demand read/write operations, scheduled reads, and bulk write capabilities for synchronizing data between
SaaS applications.
- name: Proxy API
description: Authenticated passthrough requests to customer systems enabling direct API calls without managing OAuth tokens.
- name: Backfill Support
description: Historical data retrieval during customer onboarding to populate integrations with existing customer data.
- name: DevOps Infrastructure
description: Automated retries, error handling, quota management, detailed logging, and alerting for production-grade
integration reliability.
- name: Custom Objects and Fields
description: Support for custom objects and fields allowing customers to configure integrations without being constrained
by inflexible unified APIs.
- name: Embeddable UI Components
description: React UI library with pre-built integration setup flows enabling customers to configure their own SaaS connections
within your product.
- name: AI SDK
description: Official AI SDK enabling AI agents to read from and write to SaaS applications through natural language via
Ampersand integrations.
- type: UseCases
data:
- name: CRM Integration
description: Build native Salesforce, HubSpot, and Dynamics 365 integrations to sync customer data bidirectionally with
your SaaS product.
- name: Marketing Automation Integration
description: Connect Marketo, HubSpot, and other marketing platforms to enable customer data flows for campaign automation
and lead management.
- name: Customer Support Integration
description: Integrate Zendesk and other support platforms to sync tickets, contacts, and customer data with your application.
- name: Conversation Intelligence Integration
description: Connect Gong and other conversation platforms to access call recordings, transcripts, and insights within
your application.
- name: AI Agent Integration
description: Enable AI agents to read from and write to customer SaaS systems through the Ampersand AI SDK for autonomous
workflow automation.
- name: Developer Portal Embedding
description: Embed Ampersand's React UI components into your product so customers can self-service configure their own
SaaS integrations.
- type: Integrations
data:
- name: Salesforce
description: Bi-directional CRM integration with Salesforce for contacts, accounts, opportunities, and custom objects.
- name: HubSpot
description: CRM and marketing automation integration with HubSpot for contacts, deals, companies, and email tracking.
- name: Marketo
description: Marketing automation integration with Marketo for lead management, campaigns, and activity data.
- name: Microsoft Dynamics 365
description: CRM integration with Microsoft Dynamics 365 for enterprise sales and customer service workflows.
- name: Zendesk
description: Customer support integration with Zendesk for tickets, users, organizations, and support metrics.
- name: Gong
description: Conversation intelligence integration with Gong for call recordings, transcripts, and revenue insights.
- type: Integrations
url: https://www.withampersand.com/integrations
- type: LlmsText
url: https://docs.withampersand.com/llms.txt
integrations:
- name: CRM Salesforce
- name: CRM HubSpot
- name: CRM Microsoft Dynamics CRM
- name: ERP, Billing & Commerce Netsuite
- name: CRM Pipedrive
- name: CRM Attio
- name: CRM Zoho
- name: Conversational Intelligence & Notetakers Gong
- name: Sales Outreach
- name: ERP, Billing & Commerce Stripe
- name: ERP, Billing & Commerce QuickBooks
- name: ERP, Billing & Commerce Sage Intacct
- name: Ticketing & Support Zendesk Support
- name: Ticketing & Support ServiceNow
- name: Ticketing & Support Intercom
- name: Productivity & Collaboration Google
- name: Productivity & Collaboration Slack
- name: Developer & Infrastructure GitHub
- name: Productivity & Collaboration Asana
- name: Ticketing & Support Atlassian
- name: CRM Microsoft Dynamics Business Central
- name: CRM Capsule
- name: CRM Insightly
- name: CRM Sellsy
- name: CRM Monday
- name: CRM Teamwork
- name: CRM Teamleader
- name: CRM Blackbaud
- name: CRM Salesflare
- name: CRM Close
- name: CRM Copper
- name: CRM Keap
- name: CRM Nutshell
- name: CRM Freshdesk
- name: CRM Highlevel Standard
- name: CRM Highlevel White Label
- name: CRM Jobber
- name: CRM Breakcold
- name: CRM Loxo
- name: CRM Procore
- name: Sales Smartlead
- name: Sales Apollo
- name: Sales Salesloft
- name: Sales Instantly (Legacy V1)
- name: Sales Hunter
- name: Sales Drift
- name: Sales Calendly
- name: Sales Seismic
- name: Sales Acuity Scheduling
- name: Sales Mixmax
- name: Sales Dropbox Sign
- name: Sales Lemlist
- name: Sales HeyReach
- name: Sales Outplay
- name: Sales Chili Piper
- name: Marketing Customer.io Journeys App
- name: Marketing Brevo
- name: Marketing Blueshift
- name: Marketing Pinterest
- name: Marketing Klaviyo
- name: Marketing Braze
- name: Marketing LinkedIn
- name: Marketing Constant Contact
- name: Marketing Snapchat Ads
- name: Marketing GetResponse
- name: Marketing Marketo
- name: Marketing Iterable
- name: Marketing Kit
- name: Conversational Intelligence & Notetakers Fireflies
- name: Conversational Intelligence & Notetakers Avoma
- name: Conversational Intelligence & Notetakers Clari Copilot
- name: Conversational Intelligence & Notetakers Fathom
- name: Conversational Intelligence & Notetakers Chorus
- name: Conversational Intelligence & Notetakers Granola
- name: Conversational Intelligence & Notetakers Four/Four
- name: Ticketing & Support RingCentral
- name: Ticketing & Support Zendesk Chat
- name: Ticketing & Support Dixa
- name: Ticketing & Support Help Scout Mailbox
- name: Ticketing & Support Aircall
- name: Ticketing & Support Talkdesk
- name: Ticketing & Support Gorgias
- name: Ticketing & Support Front
- name: Ticketing & Support Groove
- name: Ticketing & Support HappyFox
- name: Ticketing & Support Linear
- name: Ticketing & Support Pylon
- name: Ticketing & Support DevRev
- name: ERP, Billing & Commerce Chargebee
- name: ERP, Billing & Commerce Shopify
- name: ERP, Billing & Commerce Recurly
- name: ERP, Billing & Commerce Xero
- name: ERP, Billing & Commerce Paddle
- name: ERP, Billing & Commerce Braintree
- name: ERP, Billing & Commerce Bentley
- name: ERP, Billing & Commerce Housecall Pro
- name: Analytics & AI Amplitude
- name: Developer & Infrastructure Bitbucket
- name: Developer & Infrastructure Okta
- name: Developer & Infrastructure Flatfile
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com