Gist

Gist is an AI brand-visibility, answer-engine and content-monetization platform built by ProRata (founded 2024) that helps publishers and advertisers stay visible, measurable and monetizable inside generative AI experiences. It ships three products: Gist GEO (generative engine optimization for consistent organic visibility in AI answers), Gist Ads (paid brand amplification placed directly in AI search surfaces, with native iOS and Android ad SDKs and a publisher ad tag), and Gist Answers (an embeddable, publisher-backed AI answer engine for on-site engagement and monetization). Behind those products sits a real developer surface documented at the Gist Developer Hub: the Prorata API Service (chat, streaming completions, citations, per-source attribution, threads, recommended and related questions, publisher management and document summarization) at api.gist.ai, the Gist Content API for publisher article ingestion, the Gist Content Network crawler and CMS/RSS ingestion paths, and the gist-chat-widget web component distributed from cdn.gist.ai. Gist positions itself as turning AI from a black box into a measurable, actionable channel for brands and content owners, with fair attribution and a 50/50 publisher revenue share as the stated basis of the model.

Gist publishes 7 APIs on the APIs.io network, including Chat API, Health API, Publishers API, and 4 more. Tagged areas include Company, Artificial Intelligence, Generative AI, Advertising, and Marketing.

Gist’s developer surface includes documentation, API reference, getting-started guide, engineering blog, support, sandbox, authentication, and 23 more developer resources.

🌐 Visit website 📡 Source on GitHub

40.4/100 developing ▬ flat Agent 29/100 agent ready Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

2 APIs

Company Artificial Intelligence Generative AI Advertising Marketing Brand Visibility Publishers Search Content Answer Engine Attribution Content Licensing Media RAG Advertising Technology

Kin Score

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

Composite quality — 40.4/100 · developing

Contract Quality 11.5 / 23

Developer Ergonomics 11.3 / 18

Access Clarity 5.0 / 18

Operational Transparency 2.8 / 12

Contract Governance 0.5 / 11

Discoverability 6.0 / 9

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 29/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 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 7 / 7

Typed Event Surface 0 / 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 Well-Known Document 0 / 5

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.

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/gist: 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 9

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

Gist Content API

Publisher ingest API for the Gist Content Network. Lets publisher partners push articles to ProRata in real time (`POST /ingest/article`) or in bulk for archival backfill (`POST...

Gist Ads Ad Tag and Display Ad API

Advertising delivery surface for Gist Ads. Publishers load the `adtag.js` bundle from tp-at.prorata.ai and call `window.prtag.defineSlot({id, api_key, url, geo}, slotId, sizes, ...

Gist Chat API

The Chat API from Gist — 5 operation(s) for chat.

Gist Health API

The Health API from Gist — 1 operation(s) for health.

Gist Publishers API

The Publishers API from Gist — 2 operation(s) for publishers.

Gist Questions API

The Questions API from Gist — 2 operation(s) for questions.

Gist Root API

The Root API from Gist — 1 operation(s) for root.

Gist Summaries API

The Summaries API from Gist — 2 operation(s) for summaries.

Gist Threads API

The Threads API from Gist — 2 operation(s) for threads.

Scroll for all 9

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Prorata API Service

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Gist Plans Pricing

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Gist Rate Limits

1 limits

RATE LIMITS

JSON Schema 3

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

Fractional Attribution Extension - definitions

0 properties

JSON SCHEMA

Fractional Attribution Standalone Report

7 properties

JSON SCHEMA

Content Telemetry Session with Fractional Attribution (strict)

0 properties

JSON SCHEMA

Security Posture 2

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

Gist Authentication

apiKey · 1 scheme

SECURITY

Gist Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Login

Sandbox

Sandbox

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

JSONSchema

JSONSchema

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

X-MCPServerCandidate

X-MCPServerCandidate

AgentSkill

AgentSkill

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Components

Conventions

ErrorCatalog

Lifecycle

Conformance

DataModel

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

Packages

SDKs

ToolCrosswalk

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support

Support

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Plans

Plans

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: gist
name: Gist
description: 'Gist is an AI brand-visibility, answer-engine and content-monetization platform built by ProRata (founded 2024)
  that helps publishers and advertisers stay visible, measurable and monetizable inside generative AI experiences. It ships
  three products: Gist GEO (generative engine optimization for consistent organic visibility in AI answers), Gist Ads (paid
  brand amplification placed directly in AI search surfaces, with native iOS and Android ad SDKs and a publisher ad tag),
  and Gist Answers (an embeddable, publisher-backed AI answer engine for on-site engagement and monetization). Behind those
  products sits a real developer surface documented at the Gist Developer Hub: the Prorata API Service (chat, streaming completions,
  citations, per-source attribution, threads, recommended and related questions, publisher management and document summarization)
  at api.gist.ai, the Gist Content API for publisher article ingestion, the Gist Content Network crawler and CMS/RSS ingestion
  paths, and the gist-chat-widget web component distributed from cdn.gist.ai. Gist positions itself as turning AI from a black
  box into a measurable, actionable channel for brands and content owners, with fair attribution and a 50/50 publisher revenue
  share as the stated basis of the model.'
url: https://raw.githubusercontent.com/api-evangelist/gist/refs/heads/main/apis.yml
x-api-posture: no-product-api
x-api-posture-basis: observed
x-type: company
x-source: vc-portfolio
x-backed-by:
- mayfield
deliveryModel:
  model: unknown
  open_source: unknown
  commercial: true
  callable_host: true
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - openapi
  - pricing
  - repository-unlicensed
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: sales
  trial: false
  try_now: false
  public: false
  label: Onboarding required
  confidence: medium
  source:
  - https://platform.gist.ai/docs/gist-content-api
  - https://platform.gist.ai/docs/about-gist-services
  generated: '2026-08-12'
  method: searched
  note: API keys are issued at the Publisher Group level during onboarding — "API keys are provided during onboarding. Contact
    us if you need access." No self-serve signup and no published price list were found.
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-08-12'
tags:
- Company
- Artificial Intelligence
- Generative AI
- Advertising
- Marketing
- Brand Visibility
- Publishers
- Search
- Content
- Answer Engine
- Attribution
- Content Licensing
- Media
- RAG
- Advertising Technology
image: https://cdn.prod.website-files.com/69b4128468609a447fd7dd25/6a05c44830dff65379b10594_512x512.png
apis:
- name: Gist Content API
  description: 'Publisher ingest API for the Gist Content Network. Lets publisher partners push articles to ProRata in real
    time (`POST /ingest/article`) or in bulk for archival backfill (`POST /ingest/multiple_articles`), as an alternative to
    the ProRataInc crawler, CMS integrations (WordPress, ArcXP, Strapi, Substack) or RSS feeds. Authenticated with a Publisher
    Group API key sent as `Authorization: Bearer <key>`; default limit 10 requests per minute. The documentation publishes
    the endpoint paths and payloads but does not publish the host, so no baseURL is recorded here rather than guessed.'
  humanURL: https://platform.gist.ai/docs/gist-content-api
  tags:
  - content-ingestion
  - Publishers
  - Content Licensing
  - Syndication
  tags_raw:
  - content-ingestion
  - publishers
  - content-licensing
  - syndication
  properties:
  - type: Documentation
    url: https://platform.gist.ai/docs/gist-content-api
  - type: APIReference
    url: https://platform.gist.ai/docs/gist-content-api
  - type: GettingStarted
    url: https://platform.gist.ai/docs/gcn-overview
- name: Gist Ads Ad Tag and Display Ad API
  description: Advertising delivery surface for Gist Ads. Publishers load the `adtag.js` bundle from tp-at.prorata.ai and
    call `window.prtag.defineSlot({id, api_key, url, geo}, slotId, sizes, adTypes)` to request contextual ads against a search
    query; the ad tag then calls the display ad decision service (disp-api.prorata.ai, endpoints `/health`, `/decision`, `/api/v1/chat/`)
    and the search ad service (tp-srch-api.prorata.ai, which requires Publisher-ID and Publisher-Key headers). The same hosts
    back the first-party iOS and Android Gist Ads SDKs.
  humanURL: https://tp-at.prorata.ai/docs
  baseURL: https://tp-at.prorata.ai
  tags:
  - Advertising
  - ad-tag
  - Ad Serving
  - Contextual Advertising
  - Monetization
  tags_raw:
  - advertising
  - ad-tag
  - ad-serving
  - contextual-advertising
  - monetization
  properties:
  - type: Documentation
    url: https://tp-at.prorata.ai/docs
  - type: APIReference
    url: https://tp-at.prorata.ai/docs
  - type: SourceCode
    url: https://github.com/Prorata-ai/PrtAdsSDK
- aid: gist:gist-chat-api
  name: Gist Chat API
  description: The Chat API from Gist — 5 operation(s) for chat.
  humanURL: https://platform.gist.ai/docs/ga-overview
  baseURL: https://api.gist.ai
  tags:
  - Chat
  properties:
  - type: OpenAPI
    url: openapi/gist-chat-api-openapi.yml
  - type: Documentation
    url: https://platform.gist.ai/docs/ga-overview
  - type: APIReference
    url: https://platform.gist.ai/reference/get_v1-health
  - type: Authentication
    url: authentication/gist-authentication.yml
  - type: Conventions
    url: conventions/gist-conventions.yml
  - type: ErrorCatalog
    url: errors/gist-problem-types.yml
  - type: RateLimits
    url: rate-limits/gist-rate-limits.yml
  - type: DataModel
    url: data-model/gist-data-model.yml
  - type: ToolCrosswalk
    url: mcp/gist-tool-crosswalk.yml
- aid: gist:gist-health-api
  name: Gist Health API
  description: The Health API from Gist — 1 operation(s) for health.
  humanURL: https://platform.gist.ai/docs/ga-overview
  baseURL: https://api.gist.ai
  tags:
  - Health
  properties:
  - type: OpenAPI
    url: openapi/gist-health-api-openapi.yml
  - type: Documentation
    url: https://platform.gist.ai/docs/ga-overview
  - type: APIReference
    url: https://platform.gist.ai/reference/get_v1-health
  - type: Authentication
    url: authentication/gist-authentication.yml
  - type: Conventions
    url: conventions/gist-conventions.yml
  - type: ErrorCatalog
    url: errors/gist-problem-types.yml
  - type: RateLimits
    url: rate-limits/gist-rate-limits.yml
  - type: DataModel
    url: data-model/gist-data-model.yml
  - type: ToolCrosswalk
    url: mcp/gist-tool-crosswalk.yml
- aid: gist:gist-publishers-api
  name: Gist Publishers API
  description: The Publishers API from Gist — 2 operation(s) for publishers.
  humanURL: https://platform.gist.ai/docs/ga-overview
  baseURL: https://api.gist.ai
  tags:
  - Publishers
  properties:
  - type: OpenAPI
    url: openapi/gist-publishers-api-openapi.yml
  - type: Documentation
    url: https://platform.gist.ai/docs/ga-overview
  - type: APIReference
    url: https://platform.gist.ai/reference/get_v1-health
  - type: Authentication
    url: authentication/gist-authentication.yml
  - type: Conventions
    url: conventions/gist-conventions.yml
  - type: ErrorCatalog
    url: errors/gist-problem-types.yml
  - type: RateLimits
    url: rate-limits/gist-rate-limits.yml
  - type: DataModel
    url: data-model/gist-data-model.yml
  - type: ToolCrosswalk
    url: mcp/gist-tool-crosswalk.yml
- aid: gist:gist-questions-api
  name: Gist Questions API
  description: The Questions API from Gist — 2 operation(s) for questions.
  humanURL: https://platform.gist.ai/docs/ga-overview
  baseURL: https://api.gist.ai
  tags:
  - Questions
  properties:
  - type: OpenAPI
    url: openapi/gist-questions-api-openapi.yml
  - type: Documentation
    url: https://platform.gist.ai/docs/ga-overview
  - type: APIReference
    url: https://platform.gist.ai/reference/get_v1-health
  - type: Authentication
    url: authentication/gist-authentication.yml
  - type: Conventions
    url: conventions/gist-conventions.yml
  - type: ErrorCatalog
    url: errors/gist-problem-types.yml
  - type: RateLimits
    url: rate-limits/gist-rate-limits.yml
  - type: DataModel
    url: data-model/gist-data-model.yml
  - type: ToolCrosswalk
    url: mcp/gist-tool-crosswalk.yml
- aid: gist:gist-root-api
  name: Gist Root API
  description: The Root API from Gist — 1 operation(s) for root.
  humanURL: https://platform.gist.ai/docs/ga-overview
  baseURL: https://api.gist.ai
  tags:
  - Root
  properties:
  - type: OpenAPI
    url: openapi/gist-root-api-openapi.yml
  - type: Documentation
    url: https://platform.gist.ai/docs/ga-overview
  - type: APIReference
    url: https://platform.gist.ai/reference/get_v1-health
  - type: Authentication
    url: authentication/gist-authentication.yml
  - type: Conventions
    url: conventions/gist-conventions.yml
  - type: ErrorCatalog
    url: errors/gist-problem-types.yml
  - type: RateLimits
    url: rate-limits/gist-rate-limits.yml
  - type: DataModel
    url: data-model/gist-data-model.yml
  - type: ToolCrosswalk
    url: mcp/gist-tool-crosswalk.yml
- aid: gist:gist-summaries-api
  name: Gist Summaries API
  description: The Summaries API from Gist — 2 operation(s) for summaries.
  humanURL: https://platform.gist.ai/docs/ga-overview
  baseURL: https://api.gist.ai
  tags:
  - Summary
  tags_raw:
  - Summaries
  properties:
  - type: OpenAPI
    url: openapi/gist-summaries-api-openapi.yml
  - type: Documentation
    url: https://platform.gist.ai/docs/ga-overview
  - type: APIReference
    url: https://platform.gist.ai/reference/get_v1-health
  - type: Authentication
    url: authentication/gist-authentication.yml
  - type: Conventions
    url: conventions/gist-conventions.yml
  - type: ErrorCatalog
    url: errors/gist-problem-types.yml
  - type: RateLimits
    url: rate-limits/gist-rate-limits.yml
  - type: DataModel
    url: data-model/gist-data-model.yml
  - type: ToolCrosswalk
    url: mcp/gist-tool-crosswalk.yml
- aid: gist:gist-threads-api
  name: Gist Threads API
  description: The Threads API from Gist — 2 operation(s) for threads.
  humanURL: https://platform.gist.ai/docs/ga-overview
  baseURL: https://api.gist.ai
  tags:
  - Threads
  properties:
  - type: OpenAPI
    url: openapi/gist-threads-api-openapi.yml
  - type: Documentation
    url: https://platform.gist.ai/docs/ga-overview
  - type: APIReference
    url: https://platform.gist.ai/reference/get_v1-health
  - type: Authentication
    url: authentication/gist-authentication.yml
  - type: Conventions
    url: conventions/gist-conventions.yml
  - type: ErrorCatalog
    url: errors/gist-problem-types.yml
  - type: RateLimits
    url: rate-limits/gist-rate-limits.yml
  - type: DataModel
    url: data-model/gist-data-model.yml
  - type: ToolCrosswalk
    url: mcp/gist-tool-crosswalk.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://gist.ai
- type: DeveloperPortal
  url: https://platform.gist.ai/docs/about-gist-services
- type: Documentation
  url: https://platform.gist.ai/docs/about-gist-services
- type: APIReference
  url: https://platform.gist.ai/reference/get_v1-health
- type: GettingStarted
  url: https://platform.gist.ai/docs/quick-start-using-widgets
- type: Blog
  url: https://gist.ai/get-the-gist
- type: Support
  url: https://gist.ai/contact
- type: GitHubOrganization
  url: https://github.com/Prorata-ai
- type: Login
  url: https://console.gist.ai/
- type: PrivacyPolicy
  url: https://gist.ai/privacy-policy
- type: TermsOfService
  url: https://gist.ai/terms-of-use
- type: LLMsTxt
  url: llms/gist-llms.txt
- type: Packages
  url: packages/gist-packages.yml
- type: SDKs
  url: packages/gist-packages.yml
- type: Components
  url: components/gist-components.yml
- type: Sandbox
  url: sandbox/gist-sandbox.yml
- type: Authentication
  url: authentication/gist-authentication.yml
- type: Conventions
  url: conventions/gist-conventions.yml
- type: ErrorCatalog
  url: errors/gist-problem-types.yml
- type: RateLimits
  url: rate-limits/gist-rate-limits.yml
- type: Plans
  url: plans/gist-plans-pricing.yml
- type: Lifecycle
  url: lifecycle/gist-lifecycle.yml
- type: Conformance
  url: conformance/gist-conformance.yml
- type: DataModel
  url: data-model/gist-data-model.yml
- type: JSONSchema
  url: json-schema/gist-attribution-extension.json
- type: X-MCPServerCandidate
  url: mcp/gist-mcp.yml
  note: 'Renamed from MCPServer 2026-09-03 (roadmap#247): the manifest self-describes as status: candidate — a tool list derived
    from the published API contracts, not an existing server. The scorer already read the manifest and reported mcp_server
    correctly; the MCPServer type was crediting the artifact-type surfaces with a server that does not exist.'
- type: ToolCrosswalk
  url: mcp/gist-tool-crosswalk.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Overlay
  url: overlays/gist-answers-api-overlay.yaml
- type: DomainSecurity
  url: security/gist-domain-security.yml
x-enrichment:
  date: '2026-08-12'
  status: enriched
  artifacts_added: 26
  pass: local-v1
x-coverage:
  state: covered
  reason: null
  detail: Round 1 recorded "no public API or developer surface". That was wrong. STEP 0b contract discovery found the Gist
    Developer Hub at platform.gist.ai (a ReadMe hub), its llms.txt, and the OpenAPI backing its API reference in the ReadMe
    API registry — a 16-operation OpenAPI 3.0.0 titled "Prorata API Service", confirmed against a live 200 from https://api.gist.ai/v1/health.
  checked: '2026-08-12'

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