Jupiter Orderbook API
The Orderbook API from Jupiter — 1 operation(s) for orderbook.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Jupiter Prediction Market Orderbook API
version: 1.0.0
description: Jupiter Prediction Market API Schema
servers:
- url: https://api.jup.ag/prediction/v1
description: Jupiter Prediction Market API Endpoint
security:
- ApiKeyAuth: []
tags:
- name: Orderbook
paths:
/orderbook/{marketId}:
get:
tags:
- Orderbook
summary: Get orderbook
description: 'Current orderbook depth for a market: YES and NO levels in contracts and in dollars.'
parameters:
- schema:
type: string
minLength: 1
description: Kalshi or Polymarket market identifier
example: KXF1-25-LN
required: true
description: Kalshi or Polymarket market identifier
name: marketId
in: path
responses:
'200':
description: Orderbook depth for the given market
content:
application/json:
schema:
type:
- object
- 'null'
properties:
'yes':
type: array
description: YES-side levels sorted by price ascending. Each entry is a [price_cents, size] tuple. price_cents is rounded, so sub-cent levels show 0; size may be fractional.
items:
type: array
items:
type: number
minItems: 2
maxItems: 2
'no':
type: array
description: NO-side levels sorted by price ascending. Each entry is a [price_cents, size] tuple. price_cents is rounded, so sub-cent levels show 0; size may be fractional.
items:
type: array
items:
type: number
minItems: 2
maxItems: 2
yes_dollars:
type: array
description: YES-side levels with price as decimal dollar string. Each entry is a [price_string, size] tuple, e.g. ["0.0100", 346014].
items:
type: array
minItems: 2
maxItems: 2
no_dollars:
type: array
description: NO-side levels with price as decimal dollar string. Each entry is a [price_string, size] tuple, e.g. ["0.0100", 219].
items:
type: array
minItems: 2
maxItems: 2
required:
- 'yes'
- 'no'
- yes_dollars
- no_dollars
'502':
description: Failed to fetch orderbook data
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
operationId: getOrderbookByMarketId
x-operation-id-source: derived
components:
schemas:
ErrorResponse:
type: object
properties:
type:
type: string
enum:
- invalid_request_error
- authentication_error
- permission_error
- idempotency_error
- rate_limit_error
- api_error
message:
type: string
code:
type: string
param:
type: string
request_id:
type: string
doc_url:
type: string
required:
- type
- message
- request_id
securitySchemes:
ApiKeyAuth:
type: apiKey
in: header
name: x-api-key
description: Get API key via https://developers.jup.ag/portal
x-provenance:
method: harvested
publisher: Jupiter
source: https://developers.jup.ag/docs/openapi-spec/prediction/prediction.yaml
note: split by refine-openapis from the provider's own published document, verified by fetch (openapi/_original/*.fetch.json);
stamped by stamp-openapi-provenance.py (roadmap#793)