GateData.AI

Price SeriesComing soon

Query prediction price and probability series.

This data domain is coming soon. Documentation is available now for reading and integration planning. REST and MCP try-it are disabled until this domain launches — paths and parameters will not change at GA.
GET/api/v1/prediction/markets/{market_id}/price-series
Domain
Prediction
Level
Prediction market
MCP tool
prediction_markets_query (task=probability_history)

Available data

Returns
Prediction price and probability series
Market coverage
Polymarket and predict.fun
Query granularity
One market and one interval per query; series from different markets are not merged

Authentication

Send Authorization: Bearer YOUR_API_KEY or X-API-KEY on every request.

Query Parameters

Object positioning

The path ID is required.

market_idstringpathExamplepolymarket:1090479required

Prediction market ID.

Reference filters

All optional.

event_refstringqueryExamplepolymarket:139537optional

Event natural key or reference.

market_refstringqueryExamplepolymarket:1090479optional

Market natural key or reference.

Response

metadataobject

Response status and resolution information

data_statusDataStatusExamplenot_ready

ready / partial / …

limitations[]string[]Exampledata_not_ready

Known data limitations

object_refs[]object[]

Unified object references

Errors & fallback

200
assets_resolve name multi-match; confirm from data[] candidates.
200
The object resolved but no data is available; empty_reason may be not_covered_by_source, unsupported_metric, or limited_depth.
400
Invalid parameters or an ambiguous market listing; ambiguity responses include required_params + candidates.
401
The API key is missing or invalid.
403
The current key scope or plan cannot access this data domain.
404
The requested resource does not exist; source coverage gaps are not 404 responses.
402
Credits or monthly quota exhausted.
429
Request rate exceeded; retry_after is returned in the body and Retry-After in the response headers.