GET /v1/market/predictions

Request

GEThttps://api.xrpl.to/v1/market/predictions

Query parameter	Value	Description
topic		fed\|crypto\|economy (default fed)

curl 'https://api.xrpl.to/v1/market/predictions'

Response

200Example response105 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": 2031913,
      "markets": [
        {
          "question": "Will the Fed decrease interest rates by 50+ bps after the October 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0005
            },
            {
              "name": "No",
              "probability": 0.9995
            }
          ],
          "volume24hUsd": 1293376
        },
        {
          "question": "Will there be no change in Fed interest rates after the October 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.875
            },
            {
              "name": "No",
              "probability": 0.125
            }
          ],
          "volume24hUsd": 310479
        },
        {
          "question": "Will the Fed decrease interest rates by 25 bps after the October 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0035
            },
            {
              "name": "No",
              "probability": 0.9965
            }
          ],
          "volume24hUsd": 164636
        },
        {
          "question": "Will the Fed increase interest rates by 25 bps after the October 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.115
            },
            {
              "name": "No",
              "probability": 0.885
            }
          ],
          "volume24hUsd": 163962
        },
        {
          "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": 99460
        }
      ]
    },
    {
      "title": "Fed Decision in December?",
      "url": "https://polymarket.com/event/fed-decision-in-december-20260729232808632",
      "endDate": "2026-12-10T04:59:00Z",
      "volume24hUsd": 101830,
      "markets": [
        {
          "question": "Will the Fed decrease interest rates by 25 bps after the December 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0065
            },
            {
              "name": "No",
              "probability": 0.9935
            }
          ],
          "volume24hUsd": 57816
        },
        {
          "question": "Will there be no change in Fed interest rates after the December 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.195
            },
            {
              "name": "No",
              "probability": 0.805
            }
          ],
          "volume24hUsd": 28230
        },
        {
          "question": "Will the Fed increase interest rates by 50+ bps after the December 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0275
            },
            {
              "name": "No",
              "probability": 0.9725
            }
          ],
          "volume24hUsd": 9137
        },
        {
          "question": "Will the Fed decrease interest rates by 50+ bps after the December 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0045
            },
            {
              "name": "No",
              "probability": 0.9955
            }
          ],
          "volume24hUsd": 6011
        },
        {
          "question": "Will the Fed increase interest rates by 25 bps after the December 2026 meeting?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.755
            },
            {
              "name": "No",
              "probability": 0.245
            }
          ],
          "volume24hUsd": 637
        }
      ]
    },
    {
      "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": 31134,
      "markets": [
        {
          "question": "Will 12 or more Fed rate cuts happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0005
            },
            {
              "name": "No",
              "probability": 0.9995
            }
          ],
          "volume24hUsd": 12000
        },
        {
          "question": "Will 11 Fed rate cuts happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0005
            },
            {
              "name": "No",
              "probability": 0.9995
            }
          ],
          "volume24hUsd": 7560
        },
        {
          "question": "Will 1 Fed rate cut happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.01
            },
            {
              "name": "No",
              "probability": 0.99
            }
          ],
          "volume24hUsd": 3308
        },
        {
          "question": "Will no Fed rate cuts happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.9695
            },
            {
              "name": "No",
              "probability": 0.0305
            }
          ],
          "volume24hUsd": 2378
        },
        {
          "question": "Will 5 Fed rate cuts happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0015
            },
            {
              "name": "No",
              "probability": 0.9985
            }
          ],
          "volume24hUsd": 2037
        }
      ]
    },
    {
      "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": 9960,
      "markets": [
        {
          "question": "Will 3 Fed rate hikes happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.1055
            },
            {
              "name": "No",
              "probability": 0.8945
            }
          ],
          "volume24hUsd": 2742
        },
        {
          "question": "Will 1 Fed rate hike happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.215
            },
            {
              "name": "No",
              "probability": 0.785
            }
          ],
          "volume24hUsd": 2511
        },
        {
          "question": "Will 5 or more Fed rate hikes happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0025
            },
            {
              "name": "No",
              "probability": 0.9975
            }
          ],
          "volume24hUsd": 2237
        },
        {
          "question": "Will 4 Fed rate hikes happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.0075
            },
            {
              "name": "No",
              "probability": 0.9925
            }
          ],
          "volume24hUsd": 1499
        },
        {
          "question": "Will 2 Fed rate hikes happen in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.675
            },
            {
              "name": "No",
              "probability": 0.325
            }
          ],
          "volume24hUsd": 971
        }
      ]
    },
    {
      "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": 6382,
      "markets": [
        {
          "question": "Another Fed rate hike in 2026?",
          "outcomes": [
            {
              "name": "Yes",
              "probability": 0.795
            },
            {
              "name": "No",
              "probability": 0.205
            }
          ],
          "volume24hUsd": 6382
        }
      ]
    }
  ],
  "note": "probability is the market price of that outcome (0 to 1), not a forecast by xrpl.to.",
  "source": "Polymarket",
  "at": "2026-10-19T06:43:37.391Z"
}

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

/v1/market/predictions

Request

Response

What it does

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