Delphi

Delphi is an AI platform for building "Digital Minds" — hyper-realistic AI clones trained exclusively on a person's own content (podcasts, videos, blogs, long-form writing, live feeds) that match how they speak, write, and think. Audiences can call, text, or video-chat a clone 24/7 for Q&A, coaching, mentorship, and engagement, with omnichannel reach across websites, SMS, Telegram, Slack, and learning platforms like Kajabi and Thinkific. Delphi's v3 REST API (Immortal plan) lets developers embed a Digital Mind directly in their own app: create conversations, stream text and voice responses, manage the audience and its contextual memory, organize contacts with tags, search the clone's knowledge base for RAG, track per-user usage, and receive events via signed webhooks. Delphi is backed by Menlo Ventures.

Delphi publishes 8 APIs on the APIs.io network, including Audience API, Clone API, Conversations API, and 5 more. Tagged areas include Company, Artificial Intelligence, AI Clones, Digital Minds, and Conversational AI.

The Delphi catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Delphi’s developer surface includes documentation, API reference, getting-started guide, authentication, changelog, support, engineering blog, and 21 more developer resources.

🌐 Visit website 📡 Source on GitHub

38.7/100 thin ▬ flat Agent 28/100 agent aware saas Full breakdown ↓
scored 2026-08-30 · rubric v0.17.2

AccessSelf serve

1 APIs 1 MCP Servers

Company Artificial IntelligenceAI ClonesDigital MindsConversational AI Voice Search RAG Knowledge Base Creator Economy Webhook

Kin Score

Kin Score How this is scored →
scored 2026-08-30 · rubric v0.17.2

Composite quality — 38.7/100 · thin

Contract Quality 5.7 / 25

Developer Ergonomics 11.8 / 20

Access Clarity 7.6 / 20

Operational Transparency 5.5 / 13

Contract Governance 0.5 / 12

Discoverability 7.6 / 10

Agent readiness — 28/100 · 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 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 0 / 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 Surface 0 / 5

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/delphi: 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 8

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

MCP Servers 1

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

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Login

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

MCPServer

LLMsTxt

AgentSkill

Design & Contract 7

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

Webhooks

DataModel

Components

Scroll for all 7

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 3

Status, limits, changes, and where to get help

StatusPage

StatusPage

ChangeLog

ChangeLog

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

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Overlay

Overlay

Source (apis.yml)

aid: delphi
name: Delphi
description: 'Delphi is an AI platform for building "Digital Minds" — hyper-realistic AI clones trained exclusively on a person''s
  own content (podcasts, videos, blogs, long-form writing, live feeds) that match how they speak, write, and think. Audiences
  can call, text, or video-chat a clone 24/7 for Q&A, coaching, mentorship, and engagement, with omnichannel reach across
  websites, SMS, Telegram, Slack, and learning platforms like Kajabi and Thinkific. Delphi''s v3 REST API (Immortal plan)
  lets developers embed a Digital Mind directly in their own app: create conversations, stream text and voice responses, manage
  the audience and its contextual memory, organize contacts with tags, search the clone''s knowledge base for RAG, track per-user
  usage, and receive events via signed webhooks. Delphi is backed by Menlo Ventures.'
url: https://raw.githubusercontent.com/api-evangelist/delphi/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- menlo-ventures
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: 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://avatars.githubusercontent.com/u/120126721?v=4
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Artificial Intelligence
- AI Clones
- Digital Minds
- Conversational AI
- Voice
- Search
- RAG
- Knowledge Base
- Creator Economy
- Webhook
tags_raw:
- Company
- Artificial Intelligence
- AI Clones
- Digital Minds
- Conversational AI
- Voice
- Search
- RAG
- Knowledge Base
- Creator Economy
- Webhooks
apis:
- aid: delphi:delphi-audience-api
  name: Delphi Audience API
  description: Store and manage contextual information about users in your audience.
  humanURL: https://docs.delphi.ai/advanced/actions/api-immortal-only
  baseURL: https://api.delphi.ai
  tags:
  - Audience
  properties:
  - type: OpenAPI
    url: openapi/delphi-audience-api-openapi.yml
  - type: Authentication
    url: authentication/delphi-authentication.yml
  - type: Conventions
    url: conventions/delphi-conventions.yml
  - type: ErrorCatalog
    url: errors/delphi-problem-types.yml
  - type: Conformance
    url: conformance/delphi-conformance.yml
  - type: DataModel
    url: data-model/delphi-data-model.yml
  - type: Webhooks
    url: asyncapi/delphi-webhooks.yml
- aid: delphi:delphi-clone-api
  name: Delphi Clone API
  description: Retrieve your clone's public profile information.
  humanURL: https://docs.delphi.ai/advanced/actions/api-immortal-only
  baseURL: https://api.delphi.ai
  tags:
  - Clone
  properties:
  - type: OpenAPI
    url: openapi/delphi-clone-api-openapi.yml
  - type: Authentication
    url: authentication/delphi-authentication.yml
  - type: Conventions
    url: conventions/delphi-conventions.yml
  - type: ErrorCatalog
    url: errors/delphi-problem-types.yml
  - type: Conformance
    url: conformance/delphi-conformance.yml
  - type: DataModel
    url: data-model/delphi-data-model.yml
  - type: Webhooks
    url: asyncapi/delphi-webhooks.yml
- aid: delphi:delphi-conversations-api
  name: Delphi Conversations API
  description: Create conversations, stream responses, view history, and manage conversation lifecycle.
  humanURL: https://docs.delphi.ai/advanced/actions/api-immortal-only
  baseURL: https://api.delphi.ai
  tags:
  - Conversations
  properties:
  - type: OpenAPI
    url: openapi/delphi-conversations-api-openapi.yml
  - type: Authentication
    url: authentication/delphi-authentication.yml
  - type: Conventions
    url: conventions/delphi-conventions.yml
  - type: ErrorCatalog
    url: errors/delphi-problem-types.yml
  - type: Conformance
    url: conformance/delphi-conformance.yml
  - type: DataModel
    url: data-model/delphi-data-model.yml
  - type: Webhooks
    url: asyncapi/delphi-webhooks.yml
- aid: delphi:delphi-questions-api
  name: Delphi Questions API
  description: Retrieve suggested questions configured for your clone.
  humanURL: https://docs.delphi.ai/advanced/actions/api-immortal-only
  baseURL: https://api.delphi.ai
  tags:
  - Questions
  properties:
  - type: OpenAPI
    url: openapi/delphi-questions-api-openapi.yml
  - type: Authentication
    url: authentication/delphi-authentication.yml
  - type: Conventions
    url: conventions/delphi-conventions.yml
  - type: ErrorCatalog
    url: errors/delphi-problem-types.yml
  - type: Conformance
    url: conformance/delphi-conformance.yml
  - type: DataModel
    url: data-model/delphi-data-model.yml
  - type: Webhooks
    url: asyncapi/delphi-webhooks.yml
- aid: delphi:delphi-search-api
  name: Delphi Search API
  description: Search your clone's digital mind for relevant chunks or content.
  humanURL: https://docs.delphi.ai/advanced/actions/api-immortal-only
  baseURL: https://api.delphi.ai
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/delphi-search-api-openapi.yml
  - type: Authentication
    url: authentication/delphi-authentication.yml
  - type: Conventions
    url: conventions/delphi-conventions.yml
  - type: ErrorCatalog
    url: errors/delphi-problem-types.yml
  - type: Conformance
    url: conformance/delphi-conformance.yml
  - type: DataModel
    url: data-model/delphi-data-model.yml
  - type: Webhooks
    url: asyncapi/delphi-webhooks.yml
- aid: delphi:delphi-tags-api
  name: Delphi Tags API
  description: Create tags and organize your audience.
  humanURL: https://docs.delphi.ai/advanced/actions/api-immortal-only
  baseURL: https://api.delphi.ai
  tags:
  - Tags
  properties:
  - type: OpenAPI
    url: openapi/delphi-tags-api-openapi.yml
  - type: Authentication
    url: authentication/delphi-authentication.yml
  - type: Conventions
    url: conventions/delphi-conventions.yml
  - type: ErrorCatalog
    url: errors/delphi-problem-types.yml
  - type: Conformance
    url: conformance/delphi-conformance.yml
  - type: DataModel
    url: data-model/delphi-data-model.yml
  - type: Webhooks
    url: asyncapi/delphi-webhooks.yml
- aid: delphi:delphi-usage-api
  name: Delphi Usage API
  description: Track consumption metrics and access tiers for your users.
  humanURL: https://docs.delphi.ai/advanced/actions/api-immortal-only
  baseURL: https://api.delphi.ai
  tags:
  - Usage
  properties:
  - type: OpenAPI
    url: openapi/delphi-usage-api-openapi.yml
  - type: Authentication
    url: authentication/delphi-authentication.yml
  - type: Conventions
    url: conventions/delphi-conventions.yml
  - type: ErrorCatalog
    url: errors/delphi-problem-types.yml
  - type: Conformance
    url: conformance/delphi-conformance.yml
  - type: DataModel
    url: data-model/delphi-data-model.yml
  - type: Webhooks
    url: asyncapi/delphi-webhooks.yml
- aid: delphi:delphi-voice-api
  name: Delphi Voice API
  description: Stream voice responses and synthesize speech as real-time PCM audio.
  humanURL: https://docs.delphi.ai/advanced/actions/api-immortal-only
  baseURL: https://api.delphi.ai
  tags:
  - Voice
  properties:
  - type: OpenAPI
    url: openapi/delphi-voice-api-openapi.yml
  - type: Authentication
    url: authentication/delphi-authentication.yml
  - type: Conventions
    url: conventions/delphi-conventions.yml
  - type: ErrorCatalog
    url: errors/delphi-problem-types.yml
  - type: Conformance
    url: conformance/delphi-conformance.yml
  - type: DataModel
    url: data-model/delphi-data-model.yml
  - type: Webhooks
    url: asyncapi/delphi-webhooks.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://delphi.ai
- type: DeveloperPortal
  url: https://docs.delphi.ai
- type: Documentation
  url: https://docs.delphi.ai
- type: APIReference
  url: https://docs.delphi.ai/advanced/actions/api-immortal-only
- type: GettingStarted
  url: https://docs.delphi.ai/advanced/actions/api-immortal-only
- type: Authentication
  url: authentication/delphi-authentication.yml
- type: Conventions
  url: conventions/delphi-conventions.yml
- type: ErrorCatalog
  url: errors/delphi-problem-types.yml
- type: Lifecycle
  url: lifecycle/delphi-lifecycle.yml
- type: StatusPage
  url: https://status.delphi.ai
- type: ChangeLog
  url: changelog/delphi-changelog.yml
- type: Conformance
  url: conformance/delphi-conformance.yml
- type: DomainSecurity
  url: security/delphi-domain-security.yml
- type: AgenticAccess
  url: agentic-access/delphi-agentic-access.yml
- type: MCPServer
  url: mcp/delphi-mcp.yml
- type: Webhooks
  url: asyncapi/delphi-webhooks.yml
- type: LLMsTxt
  url: llms/delphi-llms.txt
- type: DataModel
  url: data-model/delphi-data-model.yml
- type: Components
  url: components/delphi-components.yml
- type: Overlay
  url: overlays/delphi-overlay.yaml
- type: AgentSkill
  url: skills/_index.yml
- type: Support
  url: https://docs.delphi.ai
- type: Blog
  url: https://delphi.ai/blog
- type: GitHubOrganization
  url: https://github.com/delphi-ai
- type: Pricing
  url: https://delphi.ai/pricing
- type: Login
  url: https://delphi.ai/login
- type: TermsOfService
  url: https://delphi.ai/terms
- type: PrivacyPolicy
  url: https://delphi.ai/privacy
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

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