Polymarket List markets (keyset pagination)

Name: Polymarket List markets (keyset pagination)
Price: 0.00066 USD
Availability: InStock
Author: Polymarket

https://api.sandbase.ai/v1/api/polymarket/markets-keyset

List markets (keyset pagination) from Polymarket. Returns the official Polymarket API response unchanged.

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Price: $0.0007USD / callFirst 100 calls per day free (shared per organization)
Method: POST
Response: JSON
Parameters: 0 required · 30 optional

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Input

After Cursor(string)

Opaque cursor token from a previous response's next_cursor

Ascending(boolean)

Sort direction. Only used when order is set.

Clob Token Ids(array)

clob_token_ids

Closed(boolean)

Filter by closed state. Omitted or false returns open markets; true returns closed markets. Use any (case-insensitive) to include both states in an identifier lookup. Requires at least one of id, slug, clob_token_ids, position_ids, condition_ids, request_ids, onchain_event_ids, or question_ids when Allowed values: any.

Condition Ids(array)

condition_ids

Cyom(boolean)

cyom

Decimalized(boolean)

decimalized

End Date Max(string)

end_date_max

End Date Min(string)

end_date_min

Game Id(string)

game_id

Id(array)

Include Tag(boolean)

When true, includes Tags relation on each market

Limit(integer)

1100

Maximum number of results to return (max 100) Range: 1 to 100.

Liquidity Num Max(number)

liquidity_num_max

Liquidity Num Min(number)

liquidity_num_min

Locale(string)

locale

Offset(integer)

Not allowed. Returns 422 if provided.

Order(string)

Comma-separated list of JSON field names to order by, e.g. volume_num,liquidity_num

Question Ids(array)

question_ids

Related Tags(boolean)

related_tags

Rfq Enabled(boolean)

rfq_enabled

Slug(array)

slug

Sports Market Types(array)

sports_market_types

Start Date Max(string)

start_date_max

Start Date Min(string)

start_date_min

Tag Id(array)

tag_id

Tag Match(string)

tag_match

Uma Resolution Status(string)

uma_resolution_status

Volume Num Max(number)

volume_num_max

Volume Num Min(number)

volume_num_min

OutputReady

Your output will appear here

Complete the inputs, then click Run.

Model card

Specifications

Pricing

Base price: $0.0007 / run
Daily free calls: First 100 calls per day free (shared per organization)

Request & response

Method: POST
Request body: application/json
Response: application/json
Execution: sync

Parameters

after_cursor: string · optional
ascending: boolean · optional
clob_token_ids: array · optional
closed: boolean (any) · optional
condition_ids: array · optional
cyom: boolean · optional
decimalized: boolean · optional
end_date_max: string · optional
end_date_min: string · optional
game_id: string · optional
id: array · optional
include_tag: boolean · optional
More: +18 optional parameters

Access

Provider: Polymarket
API: Platform API
Base URL: https://api.sandbase.ai
Endpoint: /v1/api/polymarket/markets-keyset
Authentication: Bearer API key

API README

Polymarket List markets (keyset pagination) API

List markets (keyset pagination) from Polymarket. Returns the official Polymarket API response unchanged.

The response is the official Polymarket API response, unchanged.

Request

curl -X POST "https://api.sandbase.ai/v1/run" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "polymarket/markets-keyset"}'

Parameters

Name	Type	Required	Description
`after_cursor`	string	No	Opaque cursor token from a previous response's next_cursor
`ascending`	boolean	No	Sort direction. Only used when order is set.
`clob_token_ids`	array	No	clob_token_ids
`closed`	boolean	No	Filter by closed state. Omitted or false returns open markets; true returns closed markets. Use any (case-insensitive) to include both states in an identifier l
`condition_ids`	array	No	condition_ids
`cyom`	boolean	No	cyom
`decimalized`	boolean	No	decimalized
`end_date_max`	string	No	end_date_max
`end_date_min`	string	No	end_date_min
`game_id`	string	No	game_id
`id`	array	No	id
`include_tag`	boolean	No	When true, includes Tags relation on each market
`limit`	integer	No	Maximum number of results to return (max 100)
`liquidity_num_max`	number	No	liquidity_num_max
`liquidity_num_min`	number	No	liquidity_num_min
`locale`	string	No	locale
`offset`	integer	No	Not allowed. Returns 422 if provided.
`order`	string	No	Comma-separated list of JSON field names to order by, e.g. volume_num,liquidity_num
`question_ids`	array	No	question_ids
`related_tags`	boolean	No	related_tags
`rfq_enabled`	boolean	No	rfq_enabled
`slug`	array	No	slug
`sports_market_types`	array	No	sports_market_types
`start_date_max`	string	No	start_date_max
`start_date_min`	string	No	start_date_min
`tag_id`	array	No	tag_id
`tag_match`	string	No	tag_match
`uma_resolution_status`	string	No	uma_resolution_status
`volume_num_max`	number	No	volume_num_max
`volume_num_min`	number	No	volume_num_min

Pricing

Flat price per call. Failed calls are not charged.

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Platform API endpoint with unified authentication and usage tracking.

Production API

Platform API endpoint

https://api.sandbase.ai/v1/api/polymarket/markets-keyset

Authorization header

Authorization: Bearer $SANDBASE_API_KEY

# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
  -X POST "https://api.sandbase.ai/v1/api/polymarket/markets-keyset" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'SANDBASE_JSON'
{
  "limit": 20,
  "ascending": true
}
SANDBASE_JSON
)
printf '%s\n' "$result"

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Questions

FAQ

How do I use the Polymarket List markets (keyset pagination) API?

Send a POST request to https://api.sandbase.ai/v1/api/polymarket/markets-keyset with your SandBase API key in the Authorization header (Bearer) and the parameters as a JSON body. You can also try it in the Playground on this page without writing code.

How much does the Polymarket List markets (keyset pagination) API cost?

$0.0007 per call. Every organization gets 100 free calls per UTC day, shared across eligible SandBase APIs including this one; after that each call is billed at this price from your SandBase balance. There is no subscription.

What parameters does the Polymarket List markets (keyset pagination) API accept?

No parameters are required. Optional: after_cursor (string), ascending (boolean), clob_token_ids (array), closed (one of any), condition_ids (array) and cyom (boolean) and 24 more. The Parameters table and the Playground on this page list every field.

What does the Polymarket List markets (keyset pagination) API return?

A JSON response returned in the same HTTP request (synchronous).

Do I need a Polymarket developer account or API key?

No. Polymarket List markets (keyset pagination) runs through SandBase, so one SandBase API key covers this endpoint and every other API and model in the catalog. You do not need to apply for Polymarket API access separately.