← ΔWORLDS
441 endpoints · MRV chain valid · ΔPhase 500Hz
⚡ TIME TO FIRST HELLO WORLD: under 90 seconds

Hello, ΔWORLDS

Pick a language. Copy the code. Run it.
Your first signed-by-MRV API call is 7 lines away.

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curl · 7 lines
# 1. Check the system is alive
curl https://deltaworlds.world/health

# 2. List all 249 businesses (no auth needed)
curl https://deltaworlds.world/v1/businesses/all

# 3. Verify the MRV chain (cryptographic proofs)
curl https://deltaworlds.world/v1/mrv/chain
python · 7 lines
import requests

BASE = "https://deltaworlds.world"

# Health check + list businesses + verify MRV chain
print(requests.get(f"{BASE}/health").json())
print(requests.get(f"{BASE}/v1/businesses/all").json()["businesses"][:3])
print(requests.get(f"{BASE}/v1/mrv/chain").json())
javascript · 7 lines
const BASE = "https://deltaworlds.world";

async function hello() {
  const health = await fetch(`${BASE}/health`).then(r => r.json());
  const biz    = await fetch(`${BASE}/v1/businesses/all`).then(r => r.json());
  const mrv    = await fetch(`${BASE}/v1/mrv/chain`).then(r => r.json());
  console.log(health, biz.businesses.slice(0, 3), mrv);
}
hello();
swift · 7 lines
import Foundation

let base = "https://deltaworlds.world"

for path in ["/health", "/v1/businesses/all", "/v1/mrv/chain"] {
  let data = try Data(contentsOf: URL(string: "\(base)\(path)")!)
  print(try JSONSerialization.jsonObject(with: data))
}
go · 8 lines
package main

import ("fmt"; "io"; "net/http")

func main() {
  for _, path := range []string{"/health", "/v1/businesses/all", "/v1/mrv/chain"} {
    r, _ := http.Get("https://deltaworlds.world" + path)
    body, _ := io.ReadAll(r.Body); fmt.Println(string(body))
  }
}

Next steps

You ran your first call. Here's what to do next:

1

Browse all 441 endpoints

Interactive Swagger UI — click any endpoint, hit "Try it out", get a curl/Python example.

2

See ΔPhase live stats

92% of calls bypass the server via phase cache. See the JSON proof.

3

Verify the MRV chain

7,958+ cryptographic proofs. Length, validity, breaks. Public read.

4

Embed on your site

Add <script src="/delta.js"> — any website becomes a Work Order portal.