v1.0 — Free tier available, no credit card needed

One API for Data Conversion,
Scraping & Analysis

Convert CSV to JSON, scrape any webpage, analyze text — all through a single REST API. Fast, reliable, and priced for indie devs.

Try It Now View Pricing

Three Endpoints. Unlimited Use Cases.

No bloat, no complexity — just three clean endpoints that do their job well.

📊

CSV ↔ JSON Conversion

Feed in raw CSV, get structured JSON back. Or the other direction. Handles headers, quoted fields, and nested data cleanly.

POST /api/v1/convert
🕷️

Web Scraping

Point at any URL, pass CSS selectors, get structured JSON back. Pull prices, headlines, tables — whatever's on the page.

POST /api/v1/scrape
🧠

Text Analysis

Sentiment scoring, keyword extraction, readability metrics, word/sentence counts. Great for NLP pre-processing or content tools.

POST /api/v1/analyze

Interactive Playground

Test any endpoint live — no signup required. Free tier: 5 requests/hour.

POST
Response
// Click "Send Request" to see results...

Simple, Honest Pricing

Pay with crypto. No accounts, no invoices, no BS.

Free

$0
forever
  • 5 requests per hour
  • All three endpoints
  • No API key required
  • Perfect for testing & personal projects
Start Building

Pro Monthly

$5
per month, pay with ETH
  • Unlimited requests
  • API key authentication
  • Usage analytics dashboard
  • Priority support
  • 99.9% uptime SLA
Get Pro Access

Pay-Per-Use

0.001 ETH
per 100 requests
  • No subscription needed
  • Top up anytime with ETH
  • Credits never expire
  • Ideal for sporadic usage
Get Top-Up

Pay with Ethereum

Send ETH to the address below. Include your email in the transaction memo so we can activate your Pro key within 1 hour.

0x8bcF1E73c4dcbe59B00C9847B3FB272F6d43acB8

After payment, DM your transaction hash on Twitter @ConvertAPIPro or email [email protected]

Frequently Asked Questions

Can I test before paying?
Absolutely. The free tier gives you 5 requests per hour with no API key needed. Test every endpoint, hit it as hard as you want within limits.
What cryptocurrencies do you accept?
Currently ETH on Ethereum mainnet. Send to the wallet address above. More chains (Base, Arbitrum, Solana) coming soon.
How fast are API responses?
Typical response times: conversion <50ms, scraping 200-800ms (depends on target site), analysis <100ms. All hosted on low-latency infrastructure.
Is there a rate limit for paid users?
No. Pro users get unlimited requests. If you're doing 10k+ requests/day, reach out for volume pricing.
Can I self-host the API?
Yes — this is a standard FastAPI app. We can provide the Docker image for self-hosting on request (included in Pro tier).