What is FactsAI?

Use the API to ask a narrowly scoped factual question, then inspect the cited material against the answer. For a prediction-market question, the useful integration step is mapping that evidence to the contract’s exact wording and deadline, while preserving the date of the evidence. The cited answer and the contract conditions serve different roles.

FactsAI is general research infrastructure. The reviewed material does not establish a Polymarket execution integration or a settlement feed, and citations do not guarantee a correct synthesis. Access needs a provider key and available prepaid credits. No authenticated request was submitted in the review, and answer quality was not benchmarked.

Who it is for

Developers building evidence-gathering workflows.
Researchers automating repeatable questions about events.

Features and coverage

Inspectable citations
Answers include references that can be checked against the claims.
JSON request/response API
Integrate research into an application through the documented API workflow.
Prepaid usage
Buy request credits rather than assuming an unlimited-query subscription.

Workflows with FactsAI

Gather evidence

Ask a narrow factual question and read the cited primary material.

Build an event checklist

Make the research input traceable: save the answer with the dates of its citations and the contract conditions it was meant to address. Pass that context into the forecasting model together with the answer.

Pricing and total cost

The public page lists $0.012 per request. Credit packs are Starter $12 for 1,000 credits, Growth $60 for 5,000 and Scale $120 for 10,000.

Starter

$12

1,000 credits

Growth

$60

5,000 credits

Scale

$120

10,000 credits

Access: An API key and available credits are required.

Getting started

Before you start: Citations do not guarantee that the answer synthesizes the sources correctly.

Read the documented request and response format.
Obtain a provider API key through the account workflow.
Start with a narrow question and inspect every material citation.

API use requires a key and available credits.

Useful links

What to check

Citations do not guarantee that the answer synthesizes the sources correctly.
No Polymarket execution integration or settlement feed was established.
No authenticated API request was submitted during review.
Answer quality was not benchmarked; usefulness depends on question design and source checks.

A closer look

Ratings & reviews

Editorial rating

3.5/ 5

0 user reviews

PredictionToolkit editorial

Our take on FactsAI

The usage-based API has a clear, inspectable citation workflow. Its value depends on question design and checking the sources; the review did not benchmark answer quality.

Based on documented features, setup and access terms. How we rate

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The main score switches to user ratings after 5 published reviews.

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Frequently asked questions about FactsAI

Does FactsAI trade on Polymarket?

No documented execution integration was established. The service supplies research answers.

How can it help with a market question?

Contract-specific use still needs your own check of how the answer fits the exact market wording and deadline. Ask the API for the underlying facts, keeping that research step separate from the contract match.

What does it cost?

The public price is $0.012 per request: Starter $12/1,000 credits, Growth $60/5,000 and Scale $120/10,000.

What access is needed?

A provider API key and available credits.

FactsAI: cited research answers through a JSON API

Screenshots and interface