> ## Documentation Index > Fetch the complete documentation index at: https://platform.trendlinelabs.ai/llms.txt > Use this file to discover all available pages before exploring further. # Search events by title > Title search over the published corpus; 503 when no corpus is readable or it is older than its bound. ## OpenAPI ````yaml /openapi.json get /public/v1/markets/search openapi: 3.1.0 info: description: >- Read-only prediction-market data across Polymarket, Kalshi, Limitless and predict.fun over REST. Every request sends your key as `Authorization: Bearer tl_live_…`; try any endpoint from its page. title: TrendlineLabs Public API version: '1' servers: - description: Production url: https://systems.trendlinelabs.ai security: [] tags: - description: 'Read back the key you are calling with: its scopes, tier and rate limit.' name: Your key - description: Events group markets across venues; each carries a `universal_id`. name: Events - description: One market's order book, price history and trades on one venue. name: Markets - description: Current prices for a set of markets in one call. name: Prices - description: Live cross-venue price gaps on the same market. name: Opportunities paths: /public/v1/markets/search: get: tags: - Events summary: Search events by title description: >- Title search over the published corpus; 503 when no corpus is readable or it is older than its bound. operationId: searchMarkets parameters: - description: >- text matched case-insensitively against event titles, prefix matches first; empty ranks every event by volume in: query name: q required: false schema: default: '' description: >- text matched case-insensitively against event titles, prefix matches first; empty ranks every event by volume maxLength: 200 title: Q type: string - description: how many results to return in: query name: limit required: false schema: default: 20 description: how many results to return maximum: 50 minimum: 1 title: Limit type: integer responses: '200': content: application/json: example: age_s: 5 built_at_ms: 1791266395000 results: - category_group: crypto event_universal_id: ev-btc-100k-2026 headline_market_id: mk-btc-100k-2026 image_url: null title: Bitcoin price at year end volume: 1834201.5 schema: $ref: '#/components/schemas/PublicSearchResponse' description: Successful Response headers: Cache-Control: description: no-store on every answer schema: type: string X-RateLimit-Limit: description: >- requests allowed per window for this key; present once the key passed the limiter schema: type: integer X-RateLimit-Remaining: description: >- requests left in this window; present once the key passed the limiter schema: type: integer X-RateLimit-Reset: description: >- seconds until the window resets; present once the key passed the limiter schema: type: integer X-Request-Id: description: >- this request's id (yours, when you sent X-Request-Id); equals the envelope's request_id schema: type: string '401': content: application/json: schema: $ref: '#/components/schemas/PublicError' description: 'unauthorized: no key, or a key that is unknown, revoked or expired.' headers: Cache-Control: description: no-store on every answer schema: type: string WWW-Authenticate: description: Bearer realm="public-api" schema: type: string X-Request-Id: description: >- this request's id (yours, when you sent X-Request-Id); equals the envelope's request_id schema: type: string '403': content: application/json: schema: $ref: '#/components/schemas/PublicError' description: >- insufficient_scope: the key lacks the scope this route needs; ip_not_allowed: the request came from an address outside the key's allowlist; tier_required: the key owner's plan does not include API access; access_not_granted: API access is free but granted on request; request it on https://trendlinelabs.ai/developer. headers: Cache-Control: description: no-store on every answer schema: type: string X-Request-Id: description: >- this request's id (yours, when you sent X-Request-Id); equals the envelope's request_id schema: type: string '422': content: application/json: schema: $ref: '#/components/schemas/PublicError' description: >- invalid_request: a parameter is missing, unknown, malformed or out of bounds, or a cursor does not match. headers: Cache-Control: description: no-store on every answer schema: type: string X-RateLimit-Limit: description: >- requests allowed per window for this key; present once the key passed the limiter schema: type: integer X-RateLimit-Remaining: description: >- requests left in this window; present once the key passed the limiter schema: type: integer X-RateLimit-Reset: description: >- seconds until the window resets; present once the key passed the limiter schema: type: integer X-Request-Id: description: >- this request's id (yours, when you sent X-Request-Id); equals the envelope's request_id schema: type: string '429': content: application/json: schema: $ref: '#/components/schemas/PublicError' description: >- rate_limited: too many requests, or too many failed authentications; wait Retry-After seconds. headers: Cache-Control: description: no-store on every answer schema: type: string Retry-After: description: seconds to wait before retrying schema: type: integer X-RateLimit-Limit: description: >- requests allowed per window for this key; present once the key passed the limiter schema: type: integer X-RateLimit-Remaining: description: >- requests left in this window; present once the key passed the limiter schema: type: integer X-RateLimit-Reset: description: >- seconds until the window resets; present once the key passed the limiter schema: type: integer X-Request-Id: description: >- this request's id (yours, when you sent X-Request-Id); equals the envelope's request_id schema: type: string '500': content: application/json: schema: $ref: '#/components/schemas/PublicError' description: >- internal_error: an unexpected failure on our side; quote the request id. The body may instead be text/plain with no envelope and no X-RateLimit-* headers when a failure escapes the route's own handling. headers: Cache-Control: description: no-store on every answer schema: type: string X-RateLimit-Limit: description: >- requests allowed per window for this key; present once the key passed the limiter schema: type: integer X-RateLimit-Remaining: description: >- requests left in this window; present once the key passed the limiter schema: type: integer X-RateLimit-Reset: description: >- seconds until the window resets; present once the key passed the limiter schema: type: integer X-Request-Id: description: >- this request's id (yours, when you sent X-Request-Id); equals the envelope's request_id schema: type: string '503': content: application/json: schema: $ref: '#/components/schemas/PublicError' description: >- dependency_unavailable: one of our own stores could not be read; retry later; upstream_unavailable: the data source is unreadable, absent or older than its bound; never an empty 200. headers: Cache-Control: description: no-store on every answer schema: type: string X-RateLimit-Limit: description: >- requests allowed per window for this key; present once the key passed the limiter schema: type: integer X-RateLimit-Remaining: description: >- requests left in this window; present once the key passed the limiter schema: type: integer X-RateLimit-Reset: description: >- seconds until the window resets; present once the key passed the limiter schema: type: integer X-Request-Id: description: >- this request's id (yours, when you sent X-Request-Id); equals the envelope's request_id schema: type: string security: - HTTPBearer: [] x-codeSamples: - label: cURL lang: bash source: > #!/bin/sh # searchMarkets: Search events by title. Needs TRENDLINE_API_KEY; TRENDLINE_API_BASE overrides the base. curl -sS "${TRENDLINE_API_BASE:-https://systems.trendlinelabs.ai}/public/v1/markets/search?q=bitcoin&limit=5" \ -H "Authorization: Bearer $TRENDLINE_API_KEY" - label: Python lang: python source: > """searchMarkets: Search events by title. Needs TRENDLINE_API_KEY; TRENDLINE_API_BASE overrides the base.""" import os import requests BASE = os.environ.get("TRENDLINE_API_BASE", "https://systems.trendlinelabs.ai") KEY = os.environ["TRENDLINE_API_KEY"] r = requests.get(f"{BASE}/public/v1/markets/search", params={"q": "bitcoin", "limit": "5"}, headers={"Authorization": f"Bearer {KEY}"}, timeout=10) r.raise_for_status() print(r.json()) - label: JavaScript lang: javascript source: > // searchMarkets: Search events by title. Needs TRENDLINE_API_KEY; TRENDLINE_API_BASE overrides the base. const BASE = process.env.TRENDLINE_API_BASE ?? "https://systems.trendlinelabs.ai"; const KEY = process.env.TRENDLINE_API_KEY; const r = await fetch(`${BASE}/public/v1/markets/search?q=bitcoin&limit=5`, { headers: { Authorization: `Bearer ${KEY}` } }); console.log(r.status, await r.json()); components: schemas: PublicSearchResponse: properties: age_s: description: >- seconds since `built_at_ms`; the route answers 503 instead once this passes its bound title: Age S type: integer built_at_ms: description: when the searched corpus was built, unix milliseconds title: Built At Ms type: integer results: description: matching events, prefix matches first, then by volume items: $ref: '#/components/schemas/PublicSearchResult' title: Results type: array required: - results - built_at_ms - age_s title: PublicSearchResponse type: object PublicError: properties: error: $ref: '#/components/schemas/PublicErrorBody' description: the refusal required: - error title: PublicError type: object PublicSearchResult: properties: category_group: anyOf: - type: string - type: 'null' description: the broad category group of the event title: Category Group event_universal_id: description: the matching event; pass it to /public/v1/events/{universal_id} title: Event Universal Id type: string headline_market_id: anyOf: - type: string - type: 'null' description: the event's headline market, a market universal id title: Headline Market Id image_url: anyOf: - type: string - type: 'null' description: an image for the event, when a venue publishes one title: Image Url title: anyOf: - type: string - type: 'null' description: the event title title: Title volume: anyOf: - type: number - type: 'null' description: the event's traded volume in USD, the ranking key for an empty query title: Volume required: - event_universal_id title: PublicSearchResult type: object PublicErrorBody: properties: code: description: >- a machine-readable code from x-known-codes; a new code may be added, so handle an unknown one by its status title: Code type: string x-known-codes: - access_not_granted - dependency_unavailable - insufficient_scope - internal_error - invalid_request - ip_not_allowed - market_closed - not_found - rate_limited - tier_required - unauthorized - upstream_unavailable - venue_not_listed - venue_unsupported message: description: a human-readable explanation; never parse it title: Message type: string request_id: description: >- this request's id, also sent as the X-Request-Id header; quote it when asking for help title: Request Id type: string required: - code - message - request_id title: PublicErrorBody type: object securitySchemes: HTTPBearer: description: 'Authorization: Bearer tl_live_…' scheme: bearer type: http ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.