Codex FX Blog

Perspectives on the frontier of stablecoin finance.

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Introducing Codex Par — Instant 1:1 USDT and USDC Swaps, via API

Today, we are launching Codex Par , our 1:1 stablecoin swap API that lets payment operators give customers USDT and USDC conversion at par. No spread for the customer and no swap infrastructure for...

July 23, 2026

USD On-Ramp and Off-Ramp: Everything You Need to Know

June 29, 2026 · 4 min read

Stablecoin Payments in Brazil: Cross-Border FX Settlement and On-Ramp Infrastructure

June 22, 2026 · 6 min read

The Dollar Machine: Expanding Global Access to the US Dollar

June 18, 2026 · 3 min read

How Stablecoins Are Replacing Correspondent Banking for Cross-Border Payments

June 16, 2026 · 7 min read

Stablecoin Payments in Nigeria: Cross-Border FX Settlement and On-Ramp Infrastructure

June 8, 2026 · 6 min read

USDC vs USDT for Cross-Border Business Payments: What PSPs and Fintechs Need to Know

June 3, 2026 · 6 min read

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