GET/tags/slug/{slug}/related-tags

Get related tags (relationships) by tag slug

Base URL: https://gamma-api.polymarket.com
Auth: Public, no key
Rate limit: 200 req / 10s (20 per second)
Limit applies to: /tags

Parameters

Name	In	Type	Required
slug	path	string	yes
omit_empty	query	boolean	no
status	query	string	no

Example

curl -X GET "https://gamma-api.polymarket.com/tags/slug/<slug>/related-tags"

Returns a list of objects with these fields

Field	Type	Description
id	string
tagID	integer
relatedTagID	integer
rank	integer

Responses

Status	Meaning
200	Related tag relationships

Related endpoints

GET /tags Gamma API
GET /tags/{id} Gamma API
GET /tags/slug/{slug} Gamma API
GET /tags/{id}/related-tags Gamma API
GET /tags/{id}/related-tags/tags Gamma API
GET /tags/slug/{slug}/related-tags/tags Gamma API

Polymarket's API serves current state only, so it cannot show what a market's book looked like after it resolved. PolyTest records Up/Down markets while they run and keeps the snapshots. Try it free, or read the full rate limit reference.

From Polymarket's published OpenAPI spec and rate-limit tables, synced 2026-10-04.