Prediction-market directory

Business directory

Explore prediction-market products and services through their sources: what they do, reported pricing and venues, website-declared details and retained history.

991

website / project records

288

historical catalogue profiles

2,242

page-declared statements

Evidence package: . Includes 790 first-party site records and 201 additional historical catalogue records. These are not counts of verified legal companies. Historical catalogue claims retain their earlier dates; a listing is not a passed review.

991 matching records. Alphabetical order; inclusion and order are free.

Select two to four records to compare. Your selection stays while browsing.

Data & APIs

Limitless Exchange

Catalogue label: Limitless API and SDKs

REST and WebSocket API for Limitless on Base with EIP-712 signed orders, scoped API tokens, partner sub-accounts, official TypeScript, Python, Go and Rust clients and an MCP server for agents.

Reported venues: Limitless

Historical pricing: Free; partner programmatic access by application

First-party page observed · Not assessed

Catalogue snapshot:

Data & APIs

Limitless SDKs

Official Limitless clients in Python, TypeScript, Go and Rust handling authentication, GTC, FAK and FOK orders, WebSocket feeds, portfolio data and partner wallet flows.

Reported venues: Limitless

Historical pricing: Free

Historical catalogue only · Not assessed

Catalogue snapshot:

1 linked repository records

Infrastructure & DeFi

Liquid

Insurance layer for prediction market positions: traders pick a maximum loss level and the protocol caps losses on covered bets. Access is by request.

Reported venues: Not stated

Historical pricing: Not published

First-party page observed · Not assessed

Catalogue snapshot:

Data & APIs

Manifold API

Manifold's play-money market API at api.manifold.markets with key auth, bet and limit order endpoints, WebSocket updates and a 500 requests per minute limit.

Reported venues: Manifold

Historical pricing: Free; market creation and API comments cost mana

Historical catalogue only · Not assessed

Catalogue snapshot:

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Historical descriptions and catalogue claims: Kairos contributors, CC BY 4.0. Vultax adds source matching, presentation and factual comparisons. Attribution, licences and coverage.