★ WLFI World · developers

WLFI API for developers

Live $WLFI and USD1 data as clean JSON: no key, no signup, CORS-open from any origin, stable versioned schemas with ISO timestamps, cached at the edge so it is fast and dependable for any organisation globally, from a solo builder to a bank or a central bank integrating a payment gateway. Pair it with the official AgentPay SDK and ship the same day.
NO KEY no signup, no auth CORS * call it from any origin EDGE CACHED global CDN + server cache v:1 stable schema + ISO time

Endpoints (click TRY for a live response)

Copy-paste and ship

curl
# live WLFI price
curl -s https://owlchart.com/api/wlfi/price

# full snapshot incl USD1
curl -s https://owlchart.com/api/wlfi/market
JavaScript (browser or Node 18+)
const r = await fetch('https://owlchart.com/api/wlfi/market');
const m = await r.json();
console.log(`WLFI $${m.priceUsd} | USD1 cap $${m.usd1?.marketCapUsd}`);
Python
import requests
m = requests.get("https://owlchart.com/api/wlfi/market").json()
print(m["priceUsd"], m["circulatingSupply"])
Gateway pricing example
# convert a 100 USD1 invoice to WLFI at the live price
const m = await (await fetch('https://owlchart.com/api/wlfi/market')).json();
const wlfiAmount = 100 * (m.usd1?.priceUsd || 1) / m.priceUsd;

Response schema (/api/wlfi/market)

FieldTypeMeaning
vintschema version, currently 1, bumped only on breaking change
at / isoms / ISO-8601server time of the response
priceUsdnumberlive WLFI price in USD from the public exchange feed
change24hPctnumber24h move in percent
volume24hUsd, high24hUsd, low24hUsdnumber24h turnover and range
marketCapUsd, circulatingSupply, ranknumberfrom public market listings
usd1objectUSD1 stablecoin snapshot: priceUsd, marketCapUsd, volume24hUsd
sourcestringwhere the data comes from, glass-box always
FOR BANKS & COMPANIES

Take this API and build your gateway today

No key. No contract. No sales call. Any bank, fintech, PSP or company anywhere in the world can consume these endpoints as-is, plain HTTPS + JSON with open CORS, and have a USD1 / $WLFI payment gateway prototype running the same day. The official AgentPay SDK moves the money with spending policies and human approval built in; this API prices it live.
1. DATA LAYER, this API
Live WLFI + USD1 pricing, 24h stats, supply, 1000 days of history. Keyless JSON from owlchart.com/api/wlfi, drop it straight into checkout, treasury and risk systems.
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2. MONEY LAYER, AgentPay SDK
World Liberty Financial’s official toolkit: agents and apps make payments, hold funds and move money across chains with per-tx / daily limits and manual approval above thresholds.
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3. YOUR GATEWAY
Checkout pages, invoicing, agent commerce, treasury dashboards. Your brand, your rails, running on both layers, exactly like the live mockups below.
How a USD1 / $WLFI gateway looks, live mockups priced by this API right now
Coffee & Co
order #1187 · 1x flat white
4.50 USD1
≈ -- WLFI at the live rate
Policy: per-tx limit 10 USD1 · human approval above 50 USD1 · money moves on the official SDK rails, price checked against this API
https://yourbank.com/checkout/invoice-2041
Invoice #2041 · Acme Industries Ltd
Consulting services, July80.00 USD1
Platform fee20.00 USD1
Total due100.00 USD1
Pay with World Liberty Financial
≈ -- WLFI at the live rate
The gateway API, the exact calls those mockups use
⚡ Copy these into your gateway
GEThttps://owlchart.com/api/wlfi/marketprices the checkout
GEThttps://owlchart.com/api/wlfi/pricelightest live price
GEThttps://owlchart.com/api/wlfi/history?days=365risk + reporting
GEThttps://owlchart.com/api/wlfi/usd1USD1 peg check
the exact pricing line behind the mockups
const m = await (await fetch('https://owlchart.com/api/wlfi/market')).json();
const wlfi = usd1Amount * (m.usd1?.priceUsd || 1) / m.priceUsd;
See all 5 endpoints with TRY buttons and schema ↑
LIVE RESPONSE, /api/wlfi/market, refreshing every 60s
Connecting to the gateway API…
HTTPS + JSON, any stackCORS open, any originNo key, no signupPolicy enforcement via the official SDKHuman approval built inWorks worldwide, banks to startups

Three steps: install the official SDK for wallets, policies and money movement; point pricing at /api/wlfi/market for conversion, checkout display and settlement checks; use /api/wlfi/history for risk, charts and audit trails. Need more (webhooks, more pairs, SLAs)? Tell us on X and we build the next endpoint the community needs.

AgentPay SDK (official) » ★ WLFI World Hub Request an endpoint
Fair use: the API is open for any use, cached responses mean normal integrations never hit limits; please do not hammer uncached bursts. Data comes from public exchange feeds and public market listings and can lag briefly; it is market information, not an execution venue and not financial advice. OwlChart is independent and not affiliated with World Liberty Financial; the AgentPay SDK is their official product, linked here because builders need both layers.