The Search API from LLM Gateway — 1 operation(s) for search.
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openapi: 3.2.0
info:
version: 1.0.0
title: LLM Gateway Search API
description: 'OpenAI-compatible LLM gateway: chat completions, embeddings, images, audio, video, moderation, OCR, rerank, web search and typed decisions across providers with one API key.'
servers:
- url: https://api.llmgateway.io
- url: http://localhost:4001
tags:
- name: Search
paths:
/v1/search:
post:
operationId: v1_search
summary: Search
description: Search the web and return ranked results with extracted page content. Perplexity Search API-compatible.
security:
- bearerAuth: []
requestBody:
content:
application/json:
schema:
type: object
properties:
model:
type: string
description: ID of the search model to use, or "auto" for the cheapest active search model (matching search_type when set). Defaults to perplexity/perplexity-search, or perplexity/perplexity-search-fast when search_type is fast.
example: perplexity/perplexity-search
query:
anyOf:
- type: string
minLength: 1
- type: array
items:
type: string
minLength: 1
minItems: 1
maxItems: 5
description: Search query, or up to 5 related queries that are searched independently and billed as one request.
example: latest developments in open-source LLMs
search_type:
type: string
enum:
- web
- fast
- people
description: Perplexity search type. "web" and "fast" select perplexity-search and perplexity-search-fast; "people" is not supported yet.
example: web
max_results:
type: integer
minimum: 1
maximum: 50
description: Maximum number of results to return. Defaults to 10.
example: 5
max_tokens:
type: integer
maximum: 1000000
description: Maximum total tokens of extracted content across all results.
exclusiveMinimum: 0
max_tokens_per_page:
type: integer
maximum: 1000000
description: Maximum tokens of extracted content per result.
exclusiveMinimum: 0
search_context_size:
type: string
enum:
- low
- medium
- high
description: How much page content to extract per result.
country:
type: string
minLength: 2
maxLength: 2
description: ISO 3166-1 alpha-2 country code for regional results.
example: US
search_language_filter:
type: array
items:
type: string
maxItems: 20
description: ISO 639-1 language codes to restrict results to.
search_domain_filter:
type: array
items:
type: string
maxItems: 20
description: Domains to restrict results to, or to exclude with a "-" prefix.
example:
- arxiv.org
- nature.com
search_recency_filter:
type: string
enum:
- hour
- day
- week
- month
- year
description: Only return results published within this period.
search_after_date_filter:
type: string
pattern: ^\d{1,2}\/\d{1,2}\/\d{4}$
search_before_date_filter:
type: string
pattern: ^\d{1,2}\/\d{1,2}\/\d{4}$
last_updated_after_filter:
type: string
pattern: ^\d{1,2}\/\d{1,2}\/\d{4}$
last_updated_before_filter:
type: string
pattern: ^\d{1,2}\/\d{1,2}\/\d{4}$
required:
- query
responses:
'200':
description: Search response with ranked web results.
headers:
RateLimit-Policy:
schema:
type: string
description: Quota policy as an HTTP Structured Fields list, e.g. "requests";q=60;w=60.
RateLimit:
schema:
type: string
description: Available quota and reset delay, e.g. "requests";r=59;t=60.
RateLimit-Limit:
schema:
type: string
description: Request limit for the current window.
RateLimit-Remaining:
schema:
type: string
description: Requests remaining in the current window.
RateLimit-Reset:
schema:
type: string
description: Seconds until the current window resets.
content:
application/json:
schema:
type: object
properties:
id:
type: string
model:
type: string
results:
type: array
items:
type: object
properties:
title:
type: string
url:
type: string
snippet:
type: string
date:
type:
- string
- 'null'
last_updated:
type:
- string
- 'null'
required:
- title
- url
server_time:
type:
- string
- 'null'
required:
- model
- results
description: Perplexity-compatible search response payload.
'400':
description: Invalid request body or parameters.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'401':
description: Missing or invalid API key.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'402':
description: Insufficient credits or plan limits reached.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'403':
description: Forbidden request or upstream response.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'404':
description: Unknown model or upstream not-found response.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'408':
description: Request timeout.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'410':
description: Archived or unavailable project.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'413':
description: Request too large.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'415':
description: Unsupported media type.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'429':
description: Rate limited. Response headers describe only LLMGateway-enforced limits; upstream provider headers are not forwarded. Honor Retry-After when present.
headers:
RateLimit-Policy:
schema:
type: string
description: Quota policy as an HTTP Structured Fields list, e.g. "requests";q=60;w=60.
RateLimit:
schema:
type: string
description: Available quota and reset delay, e.g. "requests";r=59;t=60.
RateLimit-Limit:
schema:
type: string
description: Request limit for the current window.
RateLimit-Remaining:
schema:
type: string
description: Requests remaining in the current window.
RateLimit-Reset:
schema:
type: string
description: Seconds until the current window resets.
Retry-After:
schema:
type: string
description: Seconds to wait before retrying.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'500':
description: Internal server error.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'502':
description: Failed to connect to the upstream provider.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'503':
description: Service unavailable upstream response.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'504':
description: Upstream provider timeout.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
'529':
description: Gateway overloaded.
headers:
Retry-After:
schema:
type: string
description: Seconds to wait before retrying.
content:
application/json:
schema:
$ref: '#/components/schemas/OpenAIError'
tags:
- Search
components:
schemas:
OpenAIError:
type: object
properties:
error:
type: object
properties:
message:
type: string
type:
type: string
param:
type:
- string
- 'null'
code:
type:
- string
- 'null'
required:
- message
- type
- param
- code
required:
- error
description: OpenAI-compatible error object.
securitySchemes:
bearerAuth:
type: http
scheme: bearer
description: Bearer token authentication using API keys
externalDocs:
url: https://docs.llmgateway.io
description: LLMGateway Documentation