GET postfix.org HTTP 200165 ms1.1 KB$0.000021 captured Aug 7, 2026

postfix.org, as data

One API turns any postfix.org page into markdown, structured JSON, its link graph or a screenshot, and crawls the whole site the same way. The panel shows the real response we captured.

target profile from the capture

Render mode: Plain HTTP, no browser needed
Response: HTTP 200 in 165 ms
Page size: 1.1 KB of markdown, 24 lines
Fields: Headline, Summary, Author, Published Date and 1 more
Captured: Aug 7, 2026

Start scraping postfix.org See the code

Free balance on signup, no card. This postfix.org page cost $0.000021 to fetch.

response 200 · 165 ms · 1.1 KB

# The Postfix Home Page*> All programmers are optimistsFirst of all, thank you for your interest in the Postfix project.What is Postfix? It is Wietse Venema's mailserver that started life at [IBMresearch](https://www.research.ibm.com) as an alternative to the widely-used Sendmail program. After eightyears at Google, *Wietse continues to maintain Postfix*.Postfix attempts to be fast, easy to administer, and secure.The outside has a definite Sendmail-ish flavor, but the inside is## About this websiteThis website has information about the Postfix source codedistribution. Built from source code, Postfix can run on UNIX-likesystems including AIX, BSD, HP-UX, Linux, MacOS X, Solaris, andPostfix is also distributed as ready-to-run code by operatingsystem vendors, appliance vendors, and other providers. Theirversions may have small differences with the software that is

POST /scrape · postfix.org/index.md · markdown · 24 lines · captured Aug 7, 2026

What Spider does on postfix.org

Same key, five endpoints. The numbers under a cell were measured on this page.

/scrape

Page to markdown

Clean text for RAG and LLM context, boilerplate removed. The lane that runs without a key.

165 ms · $0.000021

/fetch

Page to JSON

Spider reads the page and names the fields. Pass your own schema when you need exact keys.

/crawl

Whole site

Follows postfix.org's own links, respects robots, streams pages as they land.

/links

Link graph

Every internal and external URL on a page, before you decide what to fetch.

/screenshot

Rendered capture

Real Chromium, full-page PNG. The same call also returns the rendered HTML.

The call behind the panel

This request produced the response above. Paste it with your key and you get the same bytes.

request scrape.sh

curl -X POST https://api.spider.cloud/scrape \
  -H "Authorization: Bearer $SPIDER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://postfix.org/", "return_format": "markdown"}'

from spider import Spider

app = Spider()
params = {"return_format": "markdown"}
page = app.scrape_url("https://postfix.org/", params=params)
print(page[0]["content"])

import { Spider } from "@spider-cloud/spider-client";

const app = new Spider();
const [page] = await app.scrapeUrl("https://postfix.org/", {
  return_format: "markdown",
});
console.log(page.content);

plain request · no browser, no selectors

What postfix.org costs

Multiplied from the measured 1.1 KB page. Estimates round to the cent.

cost measured

This page, once 1.1 KB over HTTP, measured $0.000021

This page, daily for a month 30 fetches at the measured price ≈ $0.000638

1,000 pages this size 1.0 MB at the measured price ≈ $0.02

10,000 pages this size 10.5 MB at the measured price ≈ $0.21

1 GB of transfer costs $1, plus $0.001 per CPU minute, and failed requests cost $0. Crawling daily? The Unlimited plan is a flat monthly rate.

Point this at the rest of postfix.org.

The capture above took 165 ms and cost $0.000021. The same call takes any URL on postfix.org.

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