Mixmax

Mixmax is an AI-native sales engagement and execution platform that lives inside Gmail and Outlook, helping sales, customer success, recruiting, and other relationship-driven teams run their entire customer journey without context-switching. It combines email tracking and templates, multi-channel sequences, one-click scheduling, CRM automation, engagement signals, and Meeting Copilot summaries and transcripts. Mixmax exposes a public REST API (api.mixmax.com/v1) for lightweight real-time access to contacts, contact groups, sequences and recipients, file requests, meeting summaries and transcripts, and snippet tags, authenticated with an API token, plus message integrations and Sidebar/Widget SDKs for extending the product surface.

Mixmax publishes 6 APIs on the APIs.io network, including Contact Groups API, Contacts API, File Requests API, and 3 more. Tagged areas include Company, Saas, Sales Engagement, Email, and Sales.

Mixmax’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, pricing, signup flow, and 14 more developer resources.

🌐 Visit website 📡 Source on GitHub

50.1/100 developing ▬ flat Agent 43/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5

AccessSelf serve

6 APIs

CompanySaasSales EngagementEmailSalesCRMProductivityMeetingsSequences

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 50.1/100 · developing

Contract Quality 14.4 / 25

Developer Ergonomics 10.9 / 20

Commercial Clarity 12.1 / 20

Operational Transparency 2.7 / 13

Governance 0.0 / 12

Discoverability 10.0 / 10

Agent readiness — 43/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 15 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/mixmax: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 6

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

Rate Limits 1

Documented rate limits and quota policies.

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Login

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

AgentSkill

AgentSkill

Build 3

SDKs, sample code, and the tooling you integrate with

Packages

Packages

SDKs

SDKs

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

TrustCenter

TrustCenter

Compliance

Compliance

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

StatusPage

StatusPage

Support

Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Blog

Blog

Website

Website

Source (apis.yml)

aid: mixmax
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/mixmax.png
name: Mixmax
description: Mixmax is an AI-native sales engagement and execution platform that lives inside Gmail and Outlook, helping sales,
  customer success, recruiting, and other relationship-driven teams run their entire customer journey without context-switching.
  It combines email tracking and templates, multi-channel sequences, one-click scheduling, CRM automation, engagement signals,
  and Meeting Copilot summaries and transcripts. Mixmax exposes a public REST API (api.mixmax.com/v1) for lightweight real-time
  access to contacts, contact groups, sequences and recipients, file requests, meeting summaries and transcripts, and snippet
  tags, authenticated with an API token, plus message integrations and Sidebar/Widget SDKs for extending the product surface.
url: https://raw.githubusercontent.com/api-evangelist/mixmax/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- creandum
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Saas
- Sales Engagement
- Email
- Sales
- CRM
- Productivity
- Meetings
- Sequences
apis:
- aid: mixmax:mixmax-contact-groups-api
  name: Mixmax Contact Groups API
  description: Contact groups you own or that are shared with you — deprecated
  humanURL: https://developer.mixmax.com/
  baseURL: https://api.mixmax.com/v1
  tags:
  - Contact Groups
  properties:
  - type: OpenAPI
    url: openapi/mixmax-contact-groups-api-openapi.yml
  - type: Authentication
    url: authentication/mixmax-authentication.yml
  - type: Conventions
    url: conventions/mixmax-conventions.yml
  - type: RateLimits
    url: rate-limits/mixmax-rate-limits.yml
  - type: Lifecycle
    url: lifecycle/mixmax-lifecycle.yml
  - type: DataModel
    url: data-model/mixmax-data-model.yml
  - type: Conformance
    url: conformance/mixmax-conformance.yml
  - type: LLMsTxt
    url: llms/mixmax-llms.txt
  - type: WellKnown
    url: well-known/mixmax-well-known.yml
- aid: mixmax:mixmax-contacts-api
  name: Mixmax Contacts API
  description: Mixmax Contacts (people you've emailed) — deprecated resource group
  humanURL: https://developer.mixmax.com/
  baseURL: https://api.mixmax.com/v1
  tags:
  - Contacts
  properties:
  - type: OpenAPI
    url: openapi/mixmax-contacts-api-openapi.yml
  - type: Authentication
    url: authentication/mixmax-authentication.yml
  - type: Conventions
    url: conventions/mixmax-conventions.yml
  - type: RateLimits
    url: rate-limits/mixmax-rate-limits.yml
  - type: Lifecycle
    url: lifecycle/mixmax-lifecycle.yml
  - type: DataModel
    url: data-model/mixmax-data-model.yml
  - type: Conformance
    url: conformance/mixmax-conformance.yml
  - type: LLMsTxt
    url: llms/mixmax-llms.txt
  - type: WellKnown
    url: well-known/mixmax-well-known.yml
- aid: mixmax:mixmax-file-requests-api
  name: Mixmax File Requests API
  description: File requests you've sent out
  humanURL: https://developer.mixmax.com/
  baseURL: https://api.mixmax.com/v1
  tags:
  - File Requests
  properties:
  - type: OpenAPI
    url: openapi/mixmax-file-requests-api-openapi.yml
  - type: Authentication
    url: authentication/mixmax-authentication.yml
  - type: Conventions
    url: conventions/mixmax-conventions.yml
  - type: RateLimits
    url: rate-limits/mixmax-rate-limits.yml
  - type: Lifecycle
    url: lifecycle/mixmax-lifecycle.yml
  - type: DataModel
    url: data-model/mixmax-data-model.yml
  - type: Conformance
    url: conformance/mixmax-conformance.yml
  - type: LLMsTxt
    url: llms/mixmax-llms.txt
  - type: WellKnown
    url: well-known/mixmax-well-known.yml
- aid: mixmax:mixmax-meetings-api
  name: Mixmax Meetings API
  description: Meeting Copilot summaries and transcripts (requires mixmaxApi feature)
  humanURL: https://developer.mixmax.com/
  baseURL: https://api.mixmax.com/v1
  tags:
  - Meetings
  properties:
  - type: OpenAPI
    url: openapi/mixmax-meetings-api-openapi.yml
  - type: Authentication
    url: authentication/mixmax-authentication.yml
  - type: Conventions
    url: conventions/mixmax-conventions.yml
  - type: RateLimits
    url: rate-limits/mixmax-rate-limits.yml
  - type: Lifecycle
    url: lifecycle/mixmax-lifecycle.yml
  - type: DataModel
    url: data-model/mixmax-data-model.yml
  - type: Conformance
    url: conformance/mixmax-conformance.yml
  - type: LLMsTxt
    url: llms/mixmax-llms.txt
  - type: WellKnown
    url: well-known/mixmax-well-known.yml
- aid: mixmax:mixmax-sequences-api
  name: Mixmax Sequences API
  description: Sequences you have access to, and their recipients
  humanURL: https://developer.mixmax.com/
  baseURL: https://api.mixmax.com/v1
  tags:
  - Sequences
  properties:
  - type: OpenAPI
    url: openapi/mixmax-sequences-api-openapi.yml
  - type: Authentication
    url: authentication/mixmax-authentication.yml
  - type: Conventions
    url: conventions/mixmax-conventions.yml
  - type: RateLimits
    url: rate-limits/mixmax-rate-limits.yml
  - type: Lifecycle
    url: lifecycle/mixmax-lifecycle.yml
  - type: DataModel
    url: data-model/mixmax-data-model.yml
  - type: Conformance
    url: conformance/mixmax-conformance.yml
  - type: LLMsTxt
    url: llms/mixmax-llms.txt
  - type: WellKnown
    url: well-known/mixmax-well-known.yml
- aid: mixmax:mixmax-snippet-tags-api
  name: Mixmax Snippet Tags API
  description: Snippet tag management
  humanURL: https://developer.mixmax.com/
  baseURL: https://api.mixmax.com/v1
  tags:
  - Snippet Tags
  properties:
  - type: OpenAPI
    url: openapi/mixmax-snippet-tags-api-openapi.yml
  - type: Authentication
    url: authentication/mixmax-authentication.yml
  - type: Conventions
    url: conventions/mixmax-conventions.yml
  - type: RateLimits
    url: rate-limits/mixmax-rate-limits.yml
  - type: Lifecycle
    url: lifecycle/mixmax-lifecycle.yml
  - type: DataModel
    url: data-model/mixmax-data-model.yml
  - type: Conformance
    url: conformance/mixmax-conformance.yml
  - type: LLMsTxt
    url: llms/mixmax-llms.txt
  - type: WellKnown
    url: well-known/mixmax-well-known.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/mixmax-agentic-access.yml
- type: TrustCenter
  url: security/mixmax-trust-center.yml
- type: Compliance
  url: https://www.mixmax.com/security
- type: DomainSecurity
  url: security/mixmax-domain-security.yml
- type: Packages
  url: packages/mixmax-packages.yml
- type: SDKs
  url: packages/mixmax-packages.yml
- type: AgentSkill
  url: skills/_index.yml
- type: StatusPage
  url: https://status.mixmax.com/
- type: DeveloperPortal
  url: https://developer.mixmax.com/
- type: Documentation
  url: https://developer.mixmax.com/docs/getting-started
- type: APIReference
  url: https://developer.mixmax.com/reference/getting-started-with-the-api
- type: GettingStarted
  url: https://developer.mixmax.com/reference/getting-started-with-the-api
- type: GitHubOrganization
  url: https://github.com/mixmaxhq
- type: Support
  url: https://success.mixmax.com/
- type: Blog
  url: https://www.mixmax.com/blog
- type: Pricing
  url: https://www.mixmax.com/pricing
- type: SignUp
  url: https://app.mixmax.com/signup
- type: Login
  url: https://app.mixmax.com/dashboard
- type: TermsOfService
  url: https://www.mixmax.com/legal/terms-of-service
- type: PrivacyPolicy
  url: https://www.mixmax.com/legal/privacy-policy
- type: Website
  url: https://www.mixmax.com/
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 16
  pass: local-v1

Mixmax

Kin Score

APIs 6

Mixmax Contact Groups API

Mixmax Contacts API

Mixmax File Requests API

Mixmax Meetings API

Mixmax Sequences API

Mixmax Snippet Tags API

Rate Limits 1

Mixmax Rate Limits

Security Posture 3

Mixmax Authentication

Mixmax Domain Security

Mixmax Trust Center

Agentic Access 1

Mixmax Agentic Access

Resources