Evolv

Evolv AI (formerly Sentient Ascend) is an experience optimization and autonomous experimentation platform that continuously tests and personalizes digital experiences using machine learning. Its Participant API and official client SDKs for JavaScript, iOS, Android, PHP and React allocate visitors to experiment variants, deliver optimized configurations, and ingest behavioral events so AI-driven optimization can evolve web and app experiences without manual A/B-test management. Enterprises use Evolv AI to automate conversion-rate optimization and personalization across their digital properties.

Evolv publishes 1 API on the APIs.io network: Participant API. Tagged areas include Experimentation, Optimization, Personalization, A/B Testing, and Machine Learning.

Evolv’s developer surface includes documentation, CLI, authentication, sandbox, changelog, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

23.3/100 emerging ▬ flat Agent 21/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5

AccessSelf serve

1 APIs 1 MCP Servers

ExperimentationOptimizationPersonalizationA/B TestingMachine LearningConversion Rate OptimizationExperience OptimizationAnalyticsCompany

Kin Score

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

Composite quality — 23.3/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 11.3 / 20

Commercial Clarity 0.0 / 20

Operational Transparency 2.7 / 13

Governance 0.0 / 12

Discoverability 9.3 / 10

Agent readiness — 21/100 · agent aware

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 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/evolv: 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 1

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

Evolv Participant API

The Evolv Participant API is the runtime edge API the client SDKs call to fetch a participant's experiment configuration and allocations for an environment, and to ingest contex...

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Sandbox

Sandbox

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

MCPServer

MCPServer

LLMsTxt

LLMsTxt

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

Conventions

Conventions

Lifecycle

Lifecycle

Conformance

Conformance

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

SDKs

Packages

CLI

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

ChangeLog

ChangeLog

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: evolv
name: Evolv
description: Evolv AI (formerly Sentient Ascend) is an experience optimization and autonomous experimentation platform that
  continuously tests and personalizes digital experiences using machine learning. Its Participant API and official client
  SDKs for JavaScript, iOS, Android, PHP and React allocate visitors to experiment variants, deliver optimized configurations,
  and ingest behavioral events so AI-driven optimization can evolve web and app experiences without manual A/B-test management.
  Enterprises use Evolv AI to automate conversion-rate optimization and personalization across their digital properties.
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://evolv.ai/favicon.ico
url: https://raw.githubusercontent.com/api-evangelist/evolv/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- general-catalyst
- lightspeed-venture-partners
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Experimentation
- Optimization
- Personalization
- A/B Testing
- Machine Learning
- Conversion Rate Optimization
- Experience Optimization
- Analytics
- Company
apis:
- name: Evolv Participant API
  description: The Evolv Participant API is the runtime edge API the client SDKs call to fetch a participant's experiment
    configuration and allocations for an environment, and to ingest context and behavioral events (the "beacon"/data endpoint).
    Requests are keyed by a public environment id and a participant uid; the API is versioned in the URL path (v1). Documented
    as a public Postman collection at developers.evolv.ai.
  humanURL: https://developers.evolv.ai/
  baseURL: https://participants.evolv.ai
  tags:
  - Experimentation
  - Optimization
  - Personalization
  properties:
  - type: APIReference
    url: https://developers.evolv.ai/
  - type: Postman
    url: https://developers.evolv.ai/
  - type: SDK
    url: https://media.evolv.ai/javascript-sdk/releases/latest/docs/EvolvClient.html
common:
- type: Website
  url: https://www.evolv.ai
- type: DeveloperPortal
  url: https://developers.evolv.ai/
- type: Documentation
  url: https://developers.evolv.ai/
- type: GitHubOrganization
  url: https://github.com/evolv-ai
- type: SDKs
  url: packages/evolv-packages.yml
- type: Packages
  url: packages/evolv-packages.yml
- type: CLI
  url: cli/evolv-cli.yml
- type: Authentication
  url: authentication/evolv-authentication.yml
- type: Sandbox
  url: sandbox/evolv-sandbox.yml
- type: Conventions
  url: conventions/evolv-conventions.yml
- type: Lifecycle
  url: lifecycle/evolv-lifecycle.yml
- type: ChangeLog
  url: changelog/evolv-changelog.yml
- type: MCPServer
  url: mcp/evolv-mcp.yml
- type: Conformance
  url: conformance/evolv-conformance.yml
- type: LLMsTxt
  url: llms/evolv-llms.txt
- type: DomainSecurity
  url: security/evolv-domain-security.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence