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The counsel API v1 is a public, read-only HTTP API for the counsel parimutuel prediction market on the XRP Ledger. It exposes live market state, indicative odds, unsigned bet transaction construction, account positions, and leaderboard data. No API key, no OAuth, no registration, every response is plain JSON. The API is consumed by the counsel web app, bots, and third-party integrators alike.

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Base URL

The API is reachable at two equivalent base URLs:
All paths below are relative to either base. The canonical subdomain (api.counsel.markets) is preferred for programmatic clients; the path-based form (/api/v1) is provided for convenience.

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Authentication

None. All endpoints are publicly accessible without credentials. No Authorization header, no API key, no session cookie.

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Response Format

All responses are application/json. Successful responses return HTTP 200 with a JSON object. Collection responses include a top-level generated_at field (ISO 8601 timestamp) indicating when the indexer snapshot was produced.

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Error Format

Errors return a non-2xx HTTP status code and a JSON body. Single-error responses use:
Validation failures (e.g. bad query parameters) return an array:

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Rate Limiting

No hard rate limits are published. The API is backed by a live XRPL indexer; treat it like any shared public API and avoid polling at intervals shorter than a few seconds. If you are running a bot, cache the market list and only re-fetch on a reasonable schedule.

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Endpoints

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Common Response Fields

generated_at, present on all list responses. ISO 8601 string representing the moment the indexer snapshot was generated. Use this to detect stale data; under normal conditions it should be within a few seconds of the current time. source_tag, present on /markets and /markets/:id/bet-intent. The SourceTag counsel uses to attribute on-chain volume. Do not strip it from transactions you construct or sign.

List Markets

Fetch all public markets with live pool totals and indicative odds.

Get Market

Fetch a single market by ID, including bet caps.

Bet Intent

Build an unsigned XRPL Payment ready to sign and submit.

Overview

Error codes, rate limits, and base URL reference.