GET /market/predictions
GET

/v1/market/predictions

Active Polymarket prediction markets on a topic, busiest first, with each outcome priced as a probability

AuthNone — works without a key

Request

GEThttps://api.xrpl.to/v1/market/predictions
Query parameterValueDescription
topicfed|crypto|economy (default fed)
curl 'https://api.xrpl.to/v1/market/predictions'

Response

200Example response226 ms · just now · 8.7 KB · 343 lines
https://api.xrpl.to/v1/market/predictions
{
  "success": true,
  "topic": "fed",
  "events": [
    {
      "title": "Fed Decision in October?",
      "url": "https://polymarket.com/event/fed-decision-in-october-20260617190323537",
      "endDate": "2026-10-29T03:59:00Z",
      "volume24hUsd": 452642,
      "markets": [
        {
          "question": "Will the Fed decrease interest rates by 25 bps after the October 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0055
            },
            {
              "name": "No",
              "probability": 0.9945
            }
          ],
          "volume24hUsd": 152357
        },
        {
          "question": "Will the Fed decrease interest rates by 50+ bps after the October 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0015
            },
            {
              "name": "No",
              "probability": 0.9985
            }
          ],
          "volume24hUsd": 94961
        },
        {
          "question": "Will the Fed increase interest rates by 50+ bps after the October 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0035
            },
            {
              "name": "No",
              "probability": 0.9965
            }
          ],
          "volume24hUsd": 88928
        },
        {
          "question": "Will the Fed increase interest rates by 25 bps after the October 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.165
            },
            {
              "name": "No",
              "probability": 0.835
            }
          ],
          "volume24hUsd": 79007
        },
        {
          "question": "Will there be no change in Fed interest rates after the October 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.835
            },
            {
              "name": "No",
              "probability": 0.165
            }
          ],
          "volume24hUsd": 37389
        }
      ]
    },
    {
      "title": "Another Fed rate hike in 2026?",
      "url": "https://polymarket.com/event/another-fed-rate-hike-in-2026",
      "endDate": "2026-12-10T04:59:00Z",
      "volume24hUsd": 35163,
      "markets": [
        {
          "question": "Another Fed rate hike in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.775
            },
            {
              "name": "No",
              "probability": 0.225
            }
          ],
          "volume24hUsd": 35163
        }
      ]
    },
    {
      "title": "Fed Decision in December?",
      "url": "https://polymarket.com/event/fed-decision-in-december-20260729232808632",
      "endDate": "2026-12-10T04:59:00Z",
      "volume24hUsd": 22551,
      "markets": [
        {
          "question": "Will the Fed decrease interest rates by 50+ bps after the December 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.007
            },
            {
              "name": "No",
              "probability": 0.993
            }
          ],
          "volume24hUsd": 20880
        },
        {
          "question": "Will there be no change in Fed interest rates after the December 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.225
            },
            {
              "name": "No",
              "probability": 0.775
            }
          ],
          "volume24hUsd": 707
        },
        {
          "question": "Will the Fed decrease interest rates by 25 bps after the December 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.012
            },
            {
              "name": "No",
              "probability": 0.988
            }
          ],
          "volume24hUsd": 575
        },
        {
          "question": "Will the Fed increase interest rates by 50+ bps after the December 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0295
            },
            {
              "name": "No",
              "probability": 0.9705
            }
          ],
          "volume24hUsd": 250
        },
        {
          "question": "Will the Fed increase interest rates by 25 bps after the December 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.745
            },
            {
              "name": "No",
              "probability": 0.255
            }
          ],
          "volume24hUsd": 138
        }
      ]
    },
    {
      "title": "How many Fed rate cuts in 2026?",
      "url": "https://polymarket.com/event/how-many-fed-rate-cuts-in-2026",
      "endDate": "2027-01-01T04:59:00Z",
      "volume24hUsd": 17346,
      "markets": [
        {
          "question": "Will 2 Fed rate cuts happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.007
            },
            {
              "name": "No",
              "probability": 0.993
            }
          ],
          "volume24hUsd": 5565
        },
        {
          "question": "Will 9 Fed rate cuts happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0005
            },
            {
              "name": "No",
              "probability": 0.9995
            }
          ],
          "volume24hUsd": 5000
        },
        {
          "question": "Will 1 Fed rate cut happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.018
            },
            {
              "name": "No",
              "probability": 0.982
            }
          ],
          "volume24hUsd": 3240
        },
        {
          "question": "Will no Fed rate cuts happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.9555
            },
            {
              "name": "No",
              "probability": 0.0445
            }
          ],
          "volume24hUsd": 2966
        },
        {
          "question": "Will 4 Fed rate cuts happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0015
            },
            {
              "name": "No",
              "probability": 0.9985
            }
          ],
          "volume24hUsd": 481
        }
      ]
    },
    {
      "title": "How many Fed rate hikes in 2026?",
      "url": "https://polymarket.com/event/how-many-fed-rate-hikes-in-2026-20260623190717369",
      "endDate": "2027-01-01T04:59:00Z",
      "volume24hUsd": 7518,
      "markets": [
        {
          "question": "Will 1 Fed rate hike happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.215
            },
            {
              "name": "No",
              "probability": 0.785
            }
          ],
          "volume24hUsd": 7146
        },
        {
          "question": "Will 3 Fed rate hikes happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.077
            },
            {
              "name": "No",
              "probability": 0.923
            }
          ],
          "volume24hUsd": 166
        },
        {
          "question": "Will 2 Fed rate hikes happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.71
            },
            {
              "name": "No",
              "probability": 0.29
            }
          ],
          "volume24hUsd": 106
        },
        {
          "question": "Will 4 Fed rate hikes happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0065
            },
            {
              "name": "No",
              "probability": 0.9935
            }
          ],
          "volume24hUsd": 50
        },
        {
          "question": "Will 5 or more Fed rate hikes happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.003
            },
            {
              "name": "No",
              "probability": 0.997
            }
          ],
          "volume24hUsd": 50
        }
      ]
    }
  ],
  "note": "probability is the market price of that outcome (0 to 1), not a forecast by xrpl.to.",
  "source": "Polymarket",
  "at": "2026-10-12T01:02:39.203Z"
}

Long arrays and strings are shortened in the example; Send request for the full answer.

Shapeas documented
{
  success,
  topic,
  events[] {
    title,
    url,
    endDate,
    volume24hUsd,
    markets[] {
      question,
      outcomes[] { name, probability },
      volume24hUsd
    }
  },
  note,
  source,
  at
}

What it does

Active Polymarket prediction markets on a topic, busiest first, with each outcome priced as a probability

OpenAPI