GET cello.so HTTP 200124 ms14.9 KB$0.000254 captured Aug 7, 2026

cello.so, as data

One API turns any cello.so 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 124 ms
Page size: 14.9 KB of markdown, 295 lines
Fields: Title, Content, Date, Source and 1 more
Captured: Aug 7, 2026

Start scraping cello.so See the code

Free balance on signup, no card. This cello.so page cost $0.000254 to fetch.

response 200 · 124 ms · 14.9 KB

Cello puts privacy and security first. The safest way to integrate a referral program.Deploy a referral program anywhere in the world—let us handle data privacy with local laws.Cello collaborates with internationally renowned tax lawyers to provide expert tax advice.We adhere to SOC-II security standards, to learn more request here support@cello.so## Cello ResourcesBecome an expert on user-led growth.Complete Guide to your B2B Referral ProgramWant to get started with B2B referrals? Check out our complete guide to your B2B referral …B2B Referral Program KPIs (2023)Dive into the world of B2B referral program KPIs & benchmarks. Explore successful program …B2B Referral Program ExamplesUncover B2B referral program examples and learn from best practices how other companies utilize …The untapped channel across GTM strategies for B2B SaaS: User Referrals Discover actionable tips & the complete process to launch your own influencer referral program7 Psychological Drivers of Referral Behavior to Accelerate B2B Growth Learn how to set the right incentives for B2B SaaS user referral programsBuilding a habit – Interplay between product & UX for successful B2B user referral program adoption Discover actionable tips & the complete process to launch your own influencer referral programNailing GTM for Successful B2B Referral Programs Learn how to set the right GTM strategy for B2B SaaS user referral programsThe 4 Referral Program Categories for B2B SaaS (2026 Guide + Examples) Learn how to get started with different referral programs for B2B SaaS. Understand what type of …Scaling and Maintaining a B2B User Referral Program Learn how to set the right incentives for B2B SaaS user referral programsThe Ultimate Guide to B2B Influencer Referral Programs Discover actionable tips & the complete process to launch your own influencer referral program

POST /scrape · cello.so/index.md · markdown · Showing 19 of 295 lines · captured Aug 7, 2026

What Spider does on cello.so

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.

124 ms · $0.000254

/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 cello.so'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://cello.so/", "return_format": "markdown"}'

from spider import Spider

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

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

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

plain request · no browser, no selectors

What cello.so costs

Multiplied from the measured 14.9 KB page. Estimates round to the cent.

cost measured

This page, once 14.9 KB over HTTP, measured $0.000254

This page, daily for a month 30 fetches at the measured price ≈ $0.007621

1,000 pages this size 14.5 MB at the measured price ≈ $0.25

10,000 pages this size 145.2 MB at the measured price ≈ $2.54

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 cello.so.

The capture above took 124 ms and cost $0.000254. The same call takes any URL on cello.so.

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