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Fintech infrastructure for stablecoin payments in emerging markets

August 26, 2026 · $0.14 for both answers and the judge

Gemini 3.1 Pro wins

On August 26, 2026, DeepSeek V4 Pro and Gemini 3.1 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“B offers fresher, real, stage-fitting finds (Fonbnk, Num Finance, Paychant) with sharper why-it-fits detail; A includes later-stage Tribal and more famous names.”

The two answers

DeepSeek V4 Pro
$0.025 · 88s · 6,195 tokens
  1. Kotani Pay — API that converts stablecoins to/from mobile money (M-Pesa, MTN, Airtel) across Africa.

Fits: YC-backed, live in multiple African markets, solving the last-mile off-ramp problem for stablecoin payments.

  1. Canza Finance — B2B payments and FX infrastructure using stablecoins for African businesses.

Fits: early-stage, building local currency liquidity and settlement rails where correspondent banking is thin.

  1. Afriex — Stablecoin-based remittance and payout API for Africa.

Fits: YC-backed, has processed millions in transfers, expanding from consumer app to infrastructure.

  1. Bitnob — Nigerian API for cross-border payments, virtual cards, and stablecoin/Bitcoin rails.

Fits: early, focused on enabling developers to embed stablecoin payments in African apps.

  1. Koywe — LatAm fiat-crypto on/off ramp API for businesses.

Fits: early-stage, live in Chile/Mexico/Colombia, enabling local currency settlement for stablecoin transactions.

  1. Koibanx — Blockchain payments and tokenization infrastructure for LatAm banks and fintechs.

Fits: early, has partnerships with regional financial institutions, building stablecoin settlement rails.

  1. Tribal — Corporate cards and B2B payments for LatAm startups using stablecoins.

Fits: raised Series B, live in multiple LatAm countries, uses stablecoin rails for cross-border settlement.

  1. Arf — USDC-based liquidity and settlement platform for cross-border payment providers.

Fits: early-stage, working with money transfer operators in emerging markets to pre-fund payouts.

  1. Mural — Stablecoin payments infrastructure for global payroll, invoicing, and treasury.

Fits: early, focuses on emerging market corridors, provides APIs for USDC/USDT payouts.

  1. Poko — Web3 payments infrastructure for emerging markets, including on/off ramps and stablecoin rails.

Fits: early-stage, building for EM merchants and platforms, with local payment method integrations.

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White-space gaps I noticed while sourcing:

  1. Long-tail local currency on/off-ramp aggregation — Most stablecoin payment infra focuses on a handful of EM currencies (NGN, KES, MXN, BRL, COP). There is no unified API that aggregates mobile money, bank rails, and agent networks for smaller EM currencies (PKR, EGP, BDT, VND, ETB) to settle stablecoin payments locally. Stablecoins are most needed where correspondent banking is weakest, but the last-mile fiat rails remain fragmented.
  2. Compliance and identity orchestration for stablecoin payments in EM — KYC/AML, sanctions screening, travel rule, and local regulatory reporting are still manual or US/EU-centric. An infrastructure layer that bundles local identity verification (e.g., BVN in Nigeria, CURP in Mexico, Aadhaar in India) with stablecoin transaction monitoring and regulatory reporting for EM corridors could unlock institutional adoption.
Gemini 3.1 ProWinner
$0.036 · 27s · 2,941 tokens

Here are 10 early-stage companies building fintech infrastructure for stablecoin payments in emerging markets, formatted for your pipeline review.

1. Koywe — Provides B2B APIs and SDKs for fiat-to-crypto on/off ramps across Latin America. Why it fits: Seed stage; strong traction integrating local, instant payment rails (like PIX in Brazil and SPEI in Mexico) directly with stablecoin liquidity for local fintechs.

2. Kotani Pay — An API that connects stablecoins to local fiat via mobile money networks in Africa. Why it fits: Pre-Seed/Seed stage; highly relevant signal by solving the "last mile" problem using USSD and M-Pesa, allowing unbanked users to interact with stablecoin rails without needing internet access.

3. Poko — Offers a fiat-to-Web3 payment gateway and stablecoin checkout infrastructure focused on the Global South. Why it fits: Seed stage (Y Combinator alumni); strong signal in Southeast Asia and LatAm by aggregating over 100 local payment methods into a single stablecoin routing API for merchants and dApps.

4. Mural — A B2B platform providing stablecoin treasury management and cross-border payout infrastructure. Why it fits: Seed stage; gaining significant traction among global companies needing to pay vendors and remote workers in LatAm using USDC, abstracting away wallet management for the enterprise.

5. Fonbnk — A decentralized on-ramp that allows unbanked users in emerging markets to convert prepaid mobile airtime into stablecoins. Why it fits: Seed stage; highly innovative wedge for the unbanked in Africa and Southeast Asia, turning ubiquitous mobile minutes into a liquid stablecoin on-ramp where traditional banking APIs fail.

6. Accrue — Provides cross-border payment infrastructure and agent networks in Africa powered entirely by stablecoin rails on the backend. Why it fits: Early stage; strong traction in intra-Africa remittance corridors, abstracting away the crypto complexity so end-users and local businesses just see local fiat moving instantly.

7. Lirium — A Crypto-as-a-Service API that allows traditional fintechs and neobanks in LatAm to embed stablecoin buying, selling, and holding. Why it fits: Seed/Series A stage; strong B2B2C signal, handling the regulatory, compliance, and liquidity heavy lifting so local EM fintechs can offer stablecoin accounts without building in-house crypto teams.

8. Paychant — A cryptocurrency payment gateway enabling African businesses to accept stablecoins and settle instantly in local fiat. Why it fits: Pre-Seed/Seed stage; specifically targets the merchant acceptance gap in Africa, integrating with e-commerce platforms to bypass high credit card processing fees and FX shortages.

9. Kado — A fiat-to-crypto on/off ramp API with deep integrations into emerging market bank transfers and mobile wallets. Why it fits: Seed stage; strong traction as a developer-first infrastructure play, allowing Web3 wallets and consumer apps to easily onboard EM users directly into USDC/USDT with minimal friction.

10. Num Finance — Issues local-currency stablecoins (e.g., nARS, nCOP) and provides the collateralization and payment infrastructure around them in LatAm. Why it fits: Seed stage; addresses a massive gap by moving beyond USD-pegged stablecoins to offer local currency-pegged stablecoins, enabling easier B2B settlement in highly inflationary economies without forcing businesses into USD FX risk.

***

The 2 Most Interesting White-Space Gaps

1. B2B Supply Chain & Invoice Settlement (The "TradeFi" Gap) While there is an abundance of infrastructure for P2P remittances, gig-worker payouts, and consumer on/off ramps, there is a distinct lack of stablecoin infrastructure tailored for SME supply chain payments. Emerging market merchants struggle with FX delays when paying international suppliers (e.g., LatAm importers paying Chinese manufacturers). There is a massive opportunity for an API/platform that combines stablecoin settlement with traditional invoice factoring and trade finance.

2. Non-USD Stablecoin FX Routing & Liquidity Almost all current infrastructure relies on USD-pegged stablecoins (USDC/USDT). As local-currency stablecoins (like those from Num Finance or BiLira) grow, there is a missing infrastructure layer for direct EM-to-EM stablecoin FX routing. A decentralized liquidity network or API that allows a business to seamlessly swap a Brazilian Real stablecoin for a Nigerian Naira stablecoin—without having to route through the US Dollar as an intermediary pair—would drastically reduce fees and reliance on US monetary policy.

DeepSeek V4 Pro vs Gemini 3.1 Pro, overall

Across 29 judged battles, DeepSeek V4 Pro won 18, Gemini 3.1 Pro won 5, and 6 were ties. On company discovery alone: 3 to 5, 2 tied.

Compare DeepSeek V4 Pro and Gemini 3.1 Pro Judge one yourself, blind

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