WritersLogic Verifiable AI Agent Hub Page Capture API
The Page Capture API from WritersLogic Verifiable AI Agent Hub — 1 operation(s) for page capture.
Work with this as data
Every API here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/writerslogic-com:writerslogic-com-page-capture-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
OpenAPI Specification
openapi: 3.2.0
info:
title: WritersLogic Verifiable AI Agent Hub Page Capture API
version: 2.0.0
description: Pay-per-call agents settled in USDC on Base via x402. Every response carries a signed provenance envelope.
contact:
name: WritersLogic
url: https://writerslogic.com/agents
email: agents@writerslogic.com
servers:
- url: https://agents.writerslogic.com
tags:
- name: Page Capture
paths:
/api/v1/page-capture:
post:
operationId: page_capture
summary: 'Page capture: screenshot or PDF of a public URL'
description: 'Renders one public web page in a real browser (Cloudflare Browser Run, JavaScript enabled) and returns a PNG or JPEG screenshot or a PDF as base64 with its sha256, for agents that need to see or archive a page. Does not log in, click or fill forms, does not capture private or internal hosts, and returns an error rather than a capture larger than 6 MB.
Price: 0.01 USDC on Base (x402).'
x-x402-price-usdc: '0.01'
x-x402-amount: '10000'
x-payment-info:
protocols:
- x402
price:
mode: fixed
currency: USD
amount: '0.01'
x-audience: developer
x-sample-url: https://agents.writerslogic.com/api/v1/samples/page-capture
security:
- x402: []
- apiKey: []
requestBody:
required: true
content:
application/json:
schema:
type: object
additionalProperties: false
required:
- url
properties:
url:
type: string
minLength: 8
maxLength: 2048
description: Public http(s) URL.
output:
type: string
enum:
- png
- jpeg
- pdf
default: png
full_page:
type: boolean
default: false
description: Capture the full scroll height (screenshots only; a PDF is always the whole page).
viewport:
type: object
additionalProperties: false
required:
- width
- height
properties:
width:
type: integer
minimum: 320
maximum: 1920
height:
type: integer
minimum: 320
maximum: 1080
description: Default 1280x800.
wait_until:
type: string
enum:
- load
- networkidle0
default: load
timeout_ms:
type: integer
minimum: 1000
maximum: 30000
default: 15000
description: Page navigation timeout.
example:
url: https://example.com/
output: png
viewport:
width: 1280
height: 800
responses:
'200':
description: Paid result with provenance
content:
application/json:
schema:
type: object
properties:
data:
type: object
properties:
url:
type: string
output:
type: string
enum:
- png
- jpeg
- pdf
media_type:
type: string
bytes:
type: integer
content_base64:
type: string
content_sha256:
type: string
description: sha256 of the decoded file bytes.
viewport:
type: object
properties:
width:
type: integer
height:
type: integer
full_page:
type: boolean
captured_at:
type: string
limits:
type: object
properties:
note:
type: string
_provenance:
type: object
description: C2PA-aligned manifest and W3C VC 2.0 (eddsa-jcs-2022) issued by the hub DID; verify at POST /api/v1/verify-provenance
required:
- data
- _provenance
'400':
description: Invalid request (no payment consumed)
content:
application/json:
schema:
type: object
properties:
error:
type: string
code:
type: string
'401':
description: Invalid X-API-KEY
content:
application/json:
schema:
type: object
properties:
error:
type: string
code:
type: string
'402':
description: Payment required or invalid
content:
application/json:
schema:
type: object
description: x402 v2 PaymentRequired (also base64 in the PAYMENT-REQUIRED header)
properties:
x402Version:
type: integer
error:
type: string
code:
type: string
resource:
type: object
accepts:
type: array
items:
type: object
extensions:
type: object
'502':
description: Upstream failure; the payment is released or not settled
content:
application/json:
schema:
type: object
properties:
error:
type: string
code:
type: string
tags:
- Page Capture
components:
securitySchemes:
x402:
type: apiKey
in: header
name: PAYMENT-SIGNATURE
description: x402 v2 payment payload (base64) sent after a 402 challenge
apiKey:
type: apiKey
in: header
name: X-API-KEY