Polymarket API endpoint
Lists the Polymarket tags related to one tag, identified by the required tag `id`. Optional `omit_empty` (`true` or `false`), `status` and `locale` narrow the result. Each tag has its id, label and slug. An invalid id returns an invalid-parameter error.
/polymarket/tag/{id}/related-tagsReturns related tag rows for one Polymarket tag id.
Path parameters:
id: required path value. Polymarket identifier.Query parameters:
omit_empty: optional enum. Allowed values: true, false.status: optional upstream status filter.locale: optional upstream locale.Notable response behavior:
| Field | Filled in, of 10 checked |
|---|---|
| id | 10 |
| Parameter | Type | Required | Default | Description | Example |
|---|---|---|---|---|---|
| id (path) | string | Yes | Polymarket tag id | 21 | |
| omit_empty | string | No | Omit empty related tags Allowed values: true, false. | ||
| status | string | No | Optional upstream status filter | active | |
| locale | string | No | Optional upstream locale | en | |
| x-api-key (header) | string | Yes | API key required |
curl -X GET "https://api.crawlora.net/api/v1/polymarket/tag/21/related-tags?omit_empty=true" \ -H "x-api-key: $CRAWLORA_API_KEY"
{
"code": 200,
"msg": "OK",
"data": {
"source_url": "https://gamma-api.polymarket.com/...",
"fetched_at": "2026-06-07T11:00:00Z",
"tags": []
}
}Request schema
No body schema
Response schema
#/definitions/polymarket.tagsResponseDoc
| Field | Type | Required | Enum | Bounds | Example | Description |
|---|---|---|---|---|---|---|
| code | integer | No | 200 | |||
| data | polymarket.TagsResponse | No | ||||
| data.fetched_at | string | No | 2026-06-07T11:00:00Z | Time the data was fetched, in UTC (RFC 3339). | ||
| data.limit | integer | No | 25 | Maximum number of tags requested. | ||
| data.offset | integer | No | 0 | Number of tags skipped before this page. | ||
| data.source_url | string | No | https://gamma-api.polymarket.com/tags?limit=25 | URL the data was read from. | ||
| data.tags | array | No | Tags on this page, one item per tag. | |||
| data.tags[].id | string | No | 21 | Polymarket tag id. | ||
| data.tags[].label | string | No | Crypto | Display name of the tag, for example `Crypto`. | ||
| data.tags[].slug | string | No | crypto | URL slug of the tag, for example `crypto`. | ||
| msg | string | No | OK |
| Status | Description | Schema |
|---|---|---|
| 400 | Bad Request | #/definitions/app.Response |
| 429 | Too Many Requests | #/definitions/app.Response |
| 503 | Service Unavailable | #/definitions/app.Response |
Use environment variables for secrets and keep Crawlora API keys server-side.
curl -X GET "https://api.crawlora.net/api/v1/polymarket/tag/21/related-tags?omit_empty=true" \
-H "x-api-key: $CRAWLORA_API_KEY"