# ProRata.ai

**Canonical:** https://apis.io/providers/prorataai/  
**Website:** https://prorata.ai/  
**APIs profiled:** 1

ProRata.ai is an AI attribution, search and advertising company founded in 2024 by Idealab founder Bill Gross. It operates the Gist family of products — Gist Answers (an embeddable, publisher-hosted AI answer widget), Gist Content Network (a licensed publisher content corpus with revenue share), Gist Ads (advertising placed inside AI answer surfaces) and Gist GEO (generative-engine-optimization visibility tracking). Its developer surface is the Gist Developer Hub at platform.gist.ai, which publishes a public OpenAPI 3.0 contract — the "Prorata API Service" — covering chat, streaming completions, citations and attributions, threads, recommended and related questions, document summarization, publisher lookup and service health, served from https://api.gist.ai behind a Bearer API key issued at the Publisher Group level.

## Kin Score — 39.2 / 100 (thin)

Scored 2026-09-01 under rubric 0.17.2. Trend: flat (+0.0 from 39.2).

| Facet | Score |
|---|---|
| Discoverability | 75.9 |
| Contract Quality | 47.9 |
| Governance | 18.2 |
| Contract Governance | 18.2 |
| Operational Transparency | 23.7 |
| Developer Ergonomics | 50.6 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

## Agent readiness — 32.8 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | documented |
| OpenAPI Examples | verified |
| Rate Limit Signal | verified |
| Event Surface Described | no |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## APIs (8)

- **Gist Content API (Ingest)** — The publisher ingest API for the Gist Content Network. Publisher partners push articles to ProRata in real time (POST /ingest/article) or in bulk for archived content (POST /ing...
- **ProRata.ai Chat API** — The Chat API from ProRata.ai — 5 operation(s) for chat.
- **ProRata.ai Health API** — The Health API from ProRata.ai — 1 operation(s) for health.
- **ProRata.ai Publishers API** — The Publishers API from ProRata.ai — 2 operation(s) for publishers.
- **ProRata.ai Questions API** — The Questions API from ProRata.ai — 2 operation(s) for questions.
- **ProRata.ai Root API** — The Root API from ProRata.ai — 1 operation(s) for root.
- **ProRata.ai Summaries API** — The Summaries API from ProRata.ai — 2 operation(s) for summaries.
- **ProRata.ai Threads API** — The Threads API from ProRata.ai — 2 operation(s) for threads.

## MCP servers (1)

- **Gist Developer Hub MCP** — ProRata serves a remote MCP endpoint on its own developer-hub host, platform.gist.ai. A GET returns the plain-text guard "This URL can only be accessed with a MCP client." and a...

## Security (2)

- **Prorataai Authentication** — apiKey · 1 scheme
- **Prorataai Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Prorataai Plans Pricing**

## Tags

Artificial Intelligence, Search, Content, Publishing, Advertising, Attribution, Answer Engines, Generative AI, Media, Content Licensing

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/prorataai/). Scores are computed from the provider's own public artifacts under a published rubric.