GET /api/v1/pools/{id}/ratio/chart

Returns the historical ratio of outcome probabilities for a pool over time. Useful for rendering probability trend charts.

Authentication

None required. This is a public endpoint.

Request

Path Parameters

Parameter	Type	Required	Description
id	integer	Yes	The pool ID

Query Parameters

Parameter	Type	Required	Description
scale	string	No	Time scale for data points. One of: 1h, 1d, 1w, 1m. Defaults to 1d.

Example

curl "https://intotes.com/api/v1/pools/42/ratio/chart?scale=1h"

Response

200 OK

Returns an array of data points. Each point contains a timestamp and an array of values representing the probability ratio for each outcome at that point in time.

[
  {
    "timestamp": "2026-04-04T12:00:00Z",
    "values": [0.55, 0.45]
  },
  {
    "timestamp": "2026-04-04T13:00:00Z",
    "values": [0.58, 0.42]
  },
  {
    "timestamp": "2026-04-04T14:00:00Z",
    "values": [0.52, 0.48]
  },
  {
    "timestamp": "2026-04-04T15:00:00Z",
    "values": [0.60, 0.40]
  }
]

Errors

Status	Code	Description
400	invalid_pool_id	The pool ID is not a valid integer
400	invalid_scale	The scale parameter is not one of the accepted values
404	pool_not_found	No pool exists with the given ID
500	internal_error	Unexpected server error