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Fintech infrastructure for stablecoin payments in emerging markets

August 26, 2026 · $0.13 for both answers and the judge

Gemini 3.1 Pro wins

On August 26, 2026, Gemini 3.1 Pro and GPT-5.6 Luna Pro each wrote a company shortlist for the same brief, without seeing the other's answer. The judge, Claude Fable 5, read both twice, once in each order, and picked Gemini 3.1 Pro both times.

Why, in the judge's words“A's picks are real, genuinely seed-stage and fresher (Fonbnk, Paychant, Koywe), while B includes late-stage/famous names like Yellow Card, Bitso, Verto.”

The two answers

Gemini 3.1 ProWinner
$0.034 · 23s · 2,796 tokens

Here are 10 early-stage, lesser-known companies building fintech infrastructure for stablecoin payments in emerging markets (EMs), followed by two white-space gaps in the market.

1. Kotani Pay — An API that connects blockchain networks directly to local mobile money wallets across Africa. Why it fits: Seed stage; strong traction solving the critical "last-mile" distribution problem by allowing dApps and fintechs to off-ramp stablecoins directly into ubiquitous mobile money accounts like M-Pesa.

2. Koywe — A B2B API providing local fiat-to-crypto on/off ramps across Latin America. Why it fits: Early stage; deep integration with local, instant payment rails (like PIX in Brazil and SPEI in Mexico) makes them a highly localized, capital-efficient infrastructure layer for LatAm stablecoin adoption.

3. Mural — A B2B API and platform for managing cross-border treasury and vendor payouts using stablecoins. Why it fits: Seed stage (backed by Galaxy and DCG); strong signal in helping LatAm-focused startups and global businesses bypass SWIFT to pay EM contractors and vendors instantly via USDC.

4. Poko — A payment gateway that aggregates local EM payment methods for seamless stablecoin purchasing. Why it fits: Seed stage (YC alumni); highly focused on Southeast Asia and LatAm, offering a direct fiat-to-stablecoin checkout experience that Web3 wallets and dApps can embed with a few lines of code.

5. Fonbnk — Infrastructure that converts prepaid mobile phone airtime into stablecoins. Why it fits: Seed stage; highly innovative approach to unbanked liquidity, turning the ubiquitous EM airtime system—which already acts as a pseudo-currency in Africa—into a decentralized fiat on-ramp.

6. Felix Pago — A B2B2C API that enables US-to-LatAm remittances via WhatsApp using stablecoins on the backend. Why it fits: Seed stage; excellent traction leveraging a familiar, low-friction UX (WhatsApp) while using crypto rails to settle instantly in local fiat, abstracting the blockchain entirely from the end user.

7. Accrue — Agent-driven stablecoin infrastructure for cross-border African payments. Why it fits: Early stage; strong traction in intra-Africa trade, allowing local fintechs to embed stablecoin-backed cross-border transfers so users can send money across borders without ever knowing they are using crypto.

8. Paychant — A non-custodial cryptocurrency payment gateway specifically designed for African businesses. Why it fits: Pre-seed/Seed; directly addresses merchant acceptance in EMs by allowing local businesses to accept stablecoins from global customers and settle instantly in their local fiat currency.

9. Onboard — API infrastructure and wallet for peer-to-peer stablecoin on/off ramps (built by Nestcoin). Why it fits: Seed stage; strong signal from their strategic pivot to focus purely on stablecoin utility, utilizing a decentralized network of local merchants to route fiat-to-stablecoin transactions in Africa.

10. Sling Money — A fiat-to-stablecoin transfer platform built on Solana to enable instant global micro-transactions. Why it fits: Seed stage (backed by Ribbit Capital); massive signal from top-tier fintech investors. While global, their infrastructure is heavily targeted at making stablecoin transfers as easy as Venmo for EM users facing currency devaluation.

***

2 Most Interesting White-Space Gaps

1. B2B Merchant Settlement for Traditional E-commerce (The "Stripe for EM Web3") While there is abundant infrastructure for remittances, freelancer payouts, and on/off ramps, there is a distinct lack of plug-and-play e-commerce integrations (e.g., Shopify/WooCommerce plugins) tailored for EM merchants. There is a massive gap for an API that allows a merchant in Nigeria or Argentina to accept global stablecoin payments, automatically hedge against FX risk, and settle instantly in local fiat without requiring the merchant to manage a corporate crypto treasury.

2. Stablecoin Cash-Flow Underwriting & Credit APIs Currently, stablecoin infrastructure in EMs is almost entirely focused on the movement of money (payments and remittances). There is a glaring white space for infrastructure that analyzes these on-chain stablecoin payment flows to underwrite micro-loans or working capital for EM merchants. An API that allows fintechs to offer "revenue-based financing" backed by a merchant's historical stablecoin transaction data remains largely unbuilt.

GPT-5.6 Luna Pro
$0.008 · 32s · 5,203 tokens
  1. Conduit — Provides APIs for businesses to move money internationally using stablecoins and local fiat rails, with an emphasis on emerging-market corridors. Why it fits: Early-stage infrastructure company that raised a publicly disclosed seed round and has positioned itself as a developer layer for stablecoin cross-border payments.
  2. Mural Pay — Enables B2B payments and treasury transfers across Latin America using stablecoins, including invoicing, settlement, and local-currency payouts. Why it fits: Seed-stage company with disclosed venture backing and an explicit focus on reducing friction in Latin American cross-border commerce.
  3. Juicyway — Uses stablecoins to provide Nigerian businesses with liquidity and faster settlement for international payments. Why it fits: Young Nigerian fintech with a publicly reported seed round and strong exposure to one of the most active stablecoin markets in Africa.
  4. Kotani Pay — Offers APIs that convert digital assets, including stablecoins, into local African currencies and mobile-money payments. Why it fits: Early infrastructure provider focused on the difficult last-mile connection between blockchain money and African payment networks.
  5. Yellow Card — Provides African consumers and businesses with stablecoin trading, custody, treasury, and payment access across multiple local markets. Why it fits: One of the strongest traction signals in the category: substantial venture funding, broad geographic coverage, and institutional/business products beyond retail exchange.
  6. Verto — Provides cross-border accounts, FX, payouts, and stablecoin-enabled settlement for businesses operating across Africa and other emerging markets. Why it fits: Venture-backed scale-up building payment infrastructure around hard-to-access currencies and corridors, rather than only offering a consumer crypto wallet.
  7. Sphere — Builds stablecoin payment and payout APIs for companies sending and receiving money internationally, including emerging-market use cases. Why it fits: Early-stage company with a disclosed seed financing and a product oriented toward merchant settlement, treasury, and payouts.
  8. Bitso Business — Offers institutional APIs and settlement services for cross-border payments in Latin America, using crypto and stablecoins to connect local currencies. Why it fits: Bitso’s established exchange liquidity and regional footprint provide a meaningful distribution and traction signal, while its B2B unit targets payment infrastructure directly.
  9. Felix Pago — Uses WhatsApp and stablecoin rails to facilitate remittances into Latin America, initially focusing on Mexico and Spanish-speaking corridors. Why it fits: Early venture-backed remittance company with product-market evidence in a large, high-cost payments corridor and a stablecoin-based back end.
  10. Canza Finance — Builds African financial infrastructure for FX, remittances, and local payments, using blockchain and stablecoins to connect fragmented markets. Why it fits: Early-stage, venture-backed company focused on African liquidity and settlement problems, with a particularly relevant Nigeria-centered operating base.

White-space gaps noticed

  • Stablecoin-to-local-payment orchestration for smaller emerging markets: Much of the activity is concentrated in Nigeria, Kenya, Mexico, and Brazil; there is still limited infrastructure for reliable payouts into smaller African, South Asian, and Southeast Asian markets, especially mobile money and bank interoperability.
  • Compliance, risk, and treasury tooling for regulated businesses: The market has many transaction rails and wallets, but fewer neutral platforms handling KYB/KYC, sanctions screening, stablecoin risk, accounting, liquidity management, and audit trails across multiple jurisdictions.

Gemini 3.1 Pro vs GPT-5.6 Luna Pro, overall

Across 31 judged battles, Gemini 3.1 Pro won 9, GPT-5.6 Luna Pro won 18, and 4 were ties. On company discovery alone: 8 to 0, 2 tied.

Compare Gemini 3.1 Pro and GPT-5.6 Luna Pro Judge one yourself, blind

Costs are the provider's list prices at the time of the run.