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OpenAPI Specification
openapi: 3.2.0
info:
title: Serper Google Autocomplete Search API
description: RESTful API providing real-time Google Search Engine Results Page (SERP) data in structured JSON format. Supports web search, image search, news, maps, places, videos, shopping, scholar, patents, and autocomplete via POST endpoints. Authentication uses an X-API-KEY header. Designed for high-throughput AI and LLM applications with up to 300 queries per second.
version: 1.0.0
contact:
name: Serper Support
url: https://serper.dev
termsOfService: https://serper.dev/terms-of-service
license:
name: Commercial
url: https://serper.dev
servers:
- url: https://google.serper.dev
description: Serper API server
security:
- apiKeyHeader: []
tags:
- name: Search
description: Web search results
paths:
/search:
post:
operationId: webSearch
summary: Web Search
description: Perform a Google web search and receive structured SERP data including organic results, knowledge graph, answer box, people also ask, and related searches.
tags:
- Search
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/SearchRequest'
example:
q: google search
gl: us
hl: en
num: 10
responses:
'200':
description: Successful search response
content:
application/json:
schema:
$ref: '#/components/schemas/SearchResponse'
example:
searchParameters:
q: google search
gl: us
hl: en
type: search
num: 10
knowledgeGraph:
title: Google Search
type: Website
website: https://google.com/
imageUrl: https://encrypted-tbn0.gstatic.com/images?q=tbn:example
description: Google Search is a search engine provided and operated by Google.
descriptionSource: Wikipedia
descriptionLink: https://en.wikipedia.org/wiki/Google_Search
attributes:
Written in: Python, C, and C++
Category: Search engine
Date launched: '1998'
organic:
- title: Google
link: https://www.google.com/
snippet: Search the world's information...
position: 1
sitelinks:
- title: Images
link: https://images.google.com/
peopleAlsoAsk:
- question: How does Google Search work?
snippet: Google Search uses automated software...
title: How Search works
link: https://www.google.com/search/howsearchworks/
relatedSearches:
- query: google search engine
'400':
$ref: '#/components/responses/BadRequest'
'401':
$ref: '#/components/responses/Unauthorized'
'429':
$ref: '#/components/responses/TooManyRequests'
components:
schemas:
SearchResponse:
type: object
properties:
searchParameters:
$ref: '#/components/schemas/SearchParameters'
knowledgeGraph:
$ref: '#/components/schemas/KnowledgeGraph'
answerBox:
$ref: '#/components/schemas/AnswerBox'
organic:
type: array
description: Organic search results.
items:
$ref: '#/components/schemas/OrganicResult'
peopleAlsoAsk:
type: array
description: Related questions people also ask.
items:
$ref: '#/components/schemas/PeopleAlsoAsk'
relatedSearches:
type: array
description: Related search queries.
items:
$ref: '#/components/schemas/RelatedSearch'
KnowledgeGraph:
type: object
properties:
title:
type: string
description: Title of the knowledge graph entity.
type:
type: string
description: Type/category of the entity.
website:
type: string
format: uri
description: Official website URL.
imageUrl:
type: string
format: uri
description: URL of the knowledge graph image.
description:
type: string
description: Description of the entity.
descriptionSource:
type: string
description: Source of the description (e.g., Wikipedia).
descriptionLink:
type: string
format: uri
description: Link to the description source.
attributes:
type: object
additionalProperties:
type: string
description: Key-value attributes about the entity.
RelatedSearch:
type: object
properties:
query:
type: string
description: A related search query.
AnswerBox:
type: object
properties:
snippet:
type: string
description: Direct answer text.
snippetHighlighted:
type: array
items:
type: string
description: Highlighted portions of the snippet.
title:
type: string
description: Title of the answer box source.
link:
type: string
format: uri
description: URL of the source page.
date:
type: string
description: Date of the content.
OrganicResult:
type: object
properties:
title:
type: string
description: The page title.
link:
type: string
format: uri
description: URL of the result.
snippet:
type: string
description: Brief description or excerpt of the page.
position:
type: integer
description: Rank position in search results.
sitelinks:
type: array
description: Sub-links shown beneath the main result.
items:
$ref: '#/components/schemas/Sitelink'
attributes:
type: object
additionalProperties:
type: string
description: Additional metadata attributes shown in the result.
date:
type: string
description: Publication date if available.
SearchRequest:
type: object
required:
- q
properties:
q:
type: string
description: The search query string.
example: google search
gl:
type: string
description: Country code for geolocation of results (ISO 3166-1 alpha-2).
example: us
default: us
hl:
type: string
description: Language code for results (ISO 639-1).
example: en
default: en
num:
type: integer
description: Number of results to return (1-100).
minimum: 1
maximum: 100
default: 10
example: 10
page:
type: integer
description: Page number for pagination.
minimum: 1
default: 1
example: 1
tbs:
type: string
description: Time-based search filter. Use values like 'qdr:h' (past hour), 'qdr:d' (past day), 'qdr:w' (past week), 'qdr:m' (past month), 'qdr:y' (past year).
example: qdr:d
autocorrect:
type: boolean
description: Whether to enable autocorrect for the query.
default: true
Sitelink:
type: object
properties:
title:
type: string
description: Title of the sitelink.
link:
type: string
format: uri
description: URL of the sitelink.
PeopleAlsoAsk:
type: object
properties:
question:
type: string
description: The related question.
snippet:
type: string
description: Brief answer to the question.
title:
type: string
description: Title of the source page.
link:
type: string
format: uri
description: URL of the source page.
ErrorResponse:
type: object
properties:
message:
type: string
description: Human-readable error description.
SearchParameters:
type: object
properties:
q:
type: string
description: The search query.
gl:
type: string
description: Country code.
hl:
type: string
description: Language code.
type:
type: string
description: The type of search performed.
num:
type: integer
description: Number of results requested.
page:
type: integer
description: Page number.
responses:
TooManyRequests:
description: Too many requests — rate limit exceeded or credits exhausted.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
BadRequest:
description: Bad request — missing or invalid parameters.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
Unauthorized:
description: Unauthorized — invalid or missing API key.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
securitySchemes:
apiKeyHeader:
type: apiKey
in: header
name: X-API-KEY
description: API key obtained from https://serper.dev/api-key