EdgeChat Ask API
The Ask API from EdgeChat — 1 operation(s) for ask.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Edgepedia Ask API
version: '1'
description: Read-only JSON access to the Edgepedia encyclopedia articles. Keyless. 600 requests a minute and 100,000 a day per IP address (429 with Retry-After past that). Free with credit under the Edgepedia Community License 1.0; AI training is open to everyone.
license:
name: Edgepedia Community License 1.0
url: https://www.edgechat.ai/edgepedia/license
contact:
url: https://www.edgechat.ai/developers
name: EdgeChat
email: olivia.jin@biostate.ai
x-logo:
url: https://www.edgechat.ai/assets/edgechat-chestnut-orange-logo-v2.png
altText: EdgeChat
backgroundColor: '#FFFFFF'
href: https://www.edgechat.ai/developers
x-origin:
- format: openapi
version: '3.1'
url: https://www.edgechat.ai/openapi.json
servers:
- url: https://www.edgechat.ai/api/v1
tags:
- name: Ask
paths:
/ask:
get:
operationId: nlwebAsk
summary: 'NLWeb ask, list mode: the General articles matching a query, in NLWeb''s list…'
description: 'No model is called: generate_mode summarize or generate is answered as a list, and _meta.note says so. streaming=true, or Accept: text/event-stream, sends the same list as server-sent events (one result_batch, then complete). Also at https://www.edgechat.ai/ask; POST takes the same fields as a JSON body.'
parameters:
- name: query
in: query
required: true
schema:
type: string
maxLength: 200
description: A subject's name or words from its title.
example: Mount Fuji
- name: decontextualized_query
in: query
schema:
type: string
description: Used in place of query when given.
- name: num_results
in: query
schema:
type: integer
minimum: 1
maximum: 10
default: 10
- name: generate_mode
in: query
schema:
type: string
enum:
- list
- summarize
- generate
default: list
- name: mode
in: query
schema:
type: string
description: An older name for generate_mode.
- name: streaming
in: query
schema:
type: string
enum:
- 'true'
- 'false'
default: 'false'
- name: query_id
in: query
schema:
type: string
description: Echoed back; a new one is made when absent.
- name: site
in: query
schema:
type: string
description: 'Accepted and ignored: this site holds one collection.'
- name: prev
in: query
schema:
type: string
description: Accepted and ignored.
- name: last_ans
in: query
schema:
type: string
description: Accepted and ignored.
- name: item_to_remember
in: query
schema:
type: string
description: Accepted and ignored.
- $ref: '#/components/parameters/fields'
responses:
'200':
description: The matching articles, best first
content:
application/json:
schema:
$ref: '#/components/schemas/NlwebAskResponse'
examples:
live:
summary: GET https://www.edgechat.ai/api/v1/ask?query=Mount Fuji
description: 'A live answer of 2026-10-07: arrays cut to two items, long text cut with an ellipsis.'
value:
_meta:
version: '0.5'
response_type: list
generate_mode: list
query_id: 48f010f1-3e18-4e04-b8f3-f6acd987af02
query: Mount Fuji
results:
- url: https://www.edgechat.ai/mount-fuji
name: Mount Fuji (富士山)
site: edgechat.ai
score: 1
description: Mount Fuji (富士山, Fuji-san) is an active stratovolcano on Honshū, about 100 km southwest of Tokyo, and Japan's highest peak at 3,776 meters, dormant since its last eruption in 1707.
schema_object:
'@type': Article
'@id': https://www.edgechat.ai/mount-fuji
headline: Mount Fuji (富士山)
url: https://www.edgechat.ai/mount-fuji
description: Mount Fuji (富士山, Fuji-san) is an active stratovolcano on Honshū, about 100 km southwest of Tokyo, and Japan's highest peak at 3,776 meters, dormant since its last eruption in 1707.
identifier: epew8wpqdv
license: https://www.edgechat.ai/edgepedia/license
isAccessibleForFree: true
publisher:
'@type': Organization
name: EdgeChat
url: https://www.edgechat.ai/
- url: https://www.edgechat.ai/hoei-eruption-of-mount-fuji
name: Hōei eruption of Mount Fuji
site: edgechat.ai
score: 0.909
description: The Hōei eruption of Mount Fuji (宝永大噴火) was a violent eruption lasting 16 days from December 1707, blanketing Edo and the Kantō plain with ash.
schema_object:
'@type': Article
'@id': https://www.edgechat.ai/hoei-eruption-of-mount-fuji
headline: Hōei eruption of Mount Fuji
url: https://www.edgechat.ai/hoei-eruption-of-mount-fuji
description: The Hōei eruption of Mount Fuji (宝永大噴火) was a violent eruption lasting 16 days from December 1707, blanketing Edo and the Kantō plain with ash.
identifier: epwnggfxzp
license: https://www.edgechat.ai/edgepedia/license
isAccessibleForFree: true
publisher:
'@type': Organization
name: EdgeChat
url: https://www.edgechat.ai/
license:
name: Edgepedia Community License 1.0
url: https://www.edgechat.ai/edgepedia/license
summary: Free with credit, commercial use included. AI training is open to everyone. For other uses, organizations over USD 100M in revenue or 100M monthly users license separately.
text/event-stream:
schema:
type: string
headers:
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
ETag:
$ref: '#/components/headers/ETag'
Last-Modified:
$ref: '#/components/headers/Last-Modified'
Content-Digest:
$ref: '#/components/headers/Content-Digest'
Edgepedia-Corpus-Version:
$ref: '#/components/headers/Edgepedia-Corpus-Version'
'400':
description: 'An error: a missing query, or `unknown_parameter` for a parameter this route does not read.'
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
headers:
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
'429':
description: An error
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
headers:
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
description: Seconds to wait before the next request.
schema:
type: integer
'503':
description: Briefly unavailable; try again
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
headers:
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
tags:
- Ask
post:
operationId: nlwebAskPost
summary: NLWeb ask, list mode, with the parameters in a JSON or form body
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- query
properties:
query:
type: string
maxLength: 200
description: A subject's name or words from its title.
decontextualized_query:
type: string
description: Used in place of query when given.
num_results:
type: integer
minimum: 1
maximum: 10
default: 10
generate_mode:
type: string
enum:
- list
- summarize
- generate
default: list
mode:
type: string
description: An older name for generate_mode.
streaming:
type: string
enum:
- 'true'
- 'false'
default: 'false'
query_id:
type: string
description: Echoed back; a new one is made when absent.
site:
type: string
description: 'Accepted and ignored: this site holds one collection.'
prev:
type: string
description: Accepted and ignored.
last_ans:
type: string
description: Accepted and ignored.
item_to_remember:
type: string
description: Accepted and ignored.
example:
query: Mount Fuji
num_results: 3
application/x-www-form-urlencoded:
schema:
type: object
required:
- query
properties:
query:
type: string
maxLength: 200
description: A subject's name or words from its title.
decontextualized_query:
type: string
description: Used in place of query when given.
num_results:
type: integer
minimum: 1
maximum: 10
default: 10
generate_mode:
type: string
enum:
- list
- summarize
- generate
default: list
mode:
type: string
description: An older name for generate_mode.
streaming:
type: string
enum:
- 'true'
- 'false'
default: 'false'
query_id:
type: string
description: Echoed back; a new one is made when absent.
site:
type: string
description: 'Accepted and ignored: this site holds one collection.'
prev:
type: string
description: Accepted and ignored.
last_ans:
type: string
description: Accepted and ignored.
item_to_remember:
type: string
description: Accepted and ignored.
responses:
'200':
description: The matching articles, best first
content:
application/json:
schema:
$ref: '#/components/schemas/NlwebAskPostResponse'
examples:
live:
summary: POST https://www.edgechat.ai/api/v1/ask
description: 'A live answer of 2026-10-07: arrays cut to two items, long text cut with an ellipsis.'
value:
_meta:
version: '0.5'
response_type: list
generate_mode: list
query_id: 27d381ca-d805-40f3-8261-6865d9518f2b
query: Mount Fuji
results:
- url: https://www.edgechat.ai/mount-fuji
name: Mount Fuji (富士山)
site: edgechat.ai
score: 1
description: Mount Fuji (富士山, Fuji-san) is an active stratovolcano on Honshū, about 100 km southwest of Tokyo, and Japan's highest peak at 3,776 meters, dormant since its last eruption in 1707.
schema_object:
'@type': Article
'@id': https://www.edgechat.ai/mount-fuji
headline: Mount Fuji (富士山)
url: https://www.edgechat.ai/mount-fuji
description: Mount Fuji (富士山, Fuji-san) is an active stratovolcano on Honshū, about 100 km southwest of Tokyo, and Japan's highest peak at 3,776 meters, dormant since its last eruption in 1707.
identifier: epew8wpqdv
license: https://www.edgechat.ai/edgepedia/license
isAccessibleForFree: true
publisher:
'@type': Organization
name: EdgeChat
url: https://www.edgechat.ai/
- url: https://www.edgechat.ai/hoei-eruption-of-mount-fuji
name: Hōei eruption of Mount Fuji
site: edgechat.ai
score: 0.75
description: The Hōei eruption of Mount Fuji (宝永大噴火) was a violent eruption lasting 16 days from December 1707, blanketing Edo and the Kantō plain with ash.
schema_object:
'@type': Article
'@id': https://www.edgechat.ai/hoei-eruption-of-mount-fuji
headline: Hōei eruption of Mount Fuji
url: https://www.edgechat.ai/hoei-eruption-of-mount-fuji
description: The Hōei eruption of Mount Fuji (宝永大噴火) was a violent eruption lasting 16 days from December 1707, blanketing Edo and the Kantō plain with ash.
identifier: epwnggfxzp
license: https://www.edgechat.ai/edgepedia/license
isAccessibleForFree: true
publisher:
'@type': Organization
name: EdgeChat
url: https://www.edgechat.ai/
license:
name: Edgepedia Community License 1.0
url: https://www.edgechat.ai/edgepedia/license
summary: Free with credit, commercial use included. AI training is open to everyone. For other uses, organizations over USD 100M in revenue or 100M monthly users license separately.
text/event-stream:
schema:
type: string
headers:
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
ETag:
$ref: '#/components/headers/ETag'
Last-Modified:
$ref: '#/components/headers/Last-Modified'
Content-Digest:
$ref: '#/components/headers/Content-Digest'
Edgepedia-Corpus-Version:
$ref: '#/components/headers/Edgepedia-Corpus-Version'
'400':
description: 'An error: a missing query, or `unknown_parameter` for a parameter this route does not read.'
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
headers:
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
'429':
description: An error
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
headers:
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
description: Seconds to wait before the next request.
schema:
type: integer
'503':
description: Briefly unavailable; try again
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
headers:
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
tags:
- Ask
components:
headers:
RateLimit-Policy:
description: 'The limiter''s two windows, per IP address and per server instance (IETF RateLimit header fields): 600 requests a minute and 100,000 a day.'
schema:
type: string
example: '"minute";q=600;w=60, "day";q=100000;w=86400'
RateLimit:
description: 'On a 429 only: the window that was exceeded, no requests remaining (r=0), and the seconds until it resets (t).'
schema:
type: string
example: '"minute";r=0;t=42'
Edgepedia-Corpus-Version:
description: The corpus release that answered.
schema:
type: string
Content-Digest:
description: sha-256 of the body (RFC 9530).
schema:
type: string
Last-Modified:
description: The corpus release date (informational; only the ETag validates).
schema:
type: string
ETag:
description: A hash of the body; send it back as If-None-Match for a 304.
schema:
type: string
schemas:
NlwebAskPostResponse:
type: object
properties:
_meta:
type: object
properties:
version:
type: string
response_type:
type: string
const: list
generate_mode:
type: string
note:
type: string
query_id:
type: string
query:
type: string
did_you_mean:
type: string
results:
type: array
items:
type: object
properties:
url:
type: string
format: uri
name:
type: string
site:
type: string
score:
type: number
description:
type: string
schema_object:
type: object
license:
$ref: '#/components/schemas/License'
Error:
type: object
properties:
error:
type: object
properties:
code:
type: string
message:
type: string
hint:
type: string
next:
type: string
format: uri
did_you_mean:
type: array
items:
type: object
properties:
id:
type: string
slug:
type: string
title:
type: string
api_url:
type: string
required:
- code
- message
required:
- error
NlwebAskResponse:
type: object
properties:
_meta:
type: object
properties:
version:
type: string
response_type:
type: string
const: list
generate_mode:
type: string
note:
type: string
query_id:
type: string
query:
type: string
did_you_mean:
type: string
results:
type: array
items:
type: object
properties:
url:
type: string
format: uri
name:
type: string
site:
type: string
score:
type: number
description:
type: string
schema_object:
type: object
license:
$ref: '#/components/schemas/License'
License:
type: object
properties:
name:
type: string
url:
type: string
format: uri
summary:
type: string
spdx:
type: string
example: LicenseRef-Edgepedia-Community-1.0
required:
- name
- url
parameters:
fields:
name: fields
in: query
required: false
description: 'Comma-separated keys: each result (or the answer, when it has no results) keeps only these.'
schema:
type: string