# More resources: BlindPay How-tos and overviews of stablecoins, payments, and financial services basics. ## Payments How money moves: payout flows, local rails, and what happens between an API call and funds landing in a bank account. - [AP2 vs ACP vs x402: agent payment protocols compared](https://blindpay.com/resources/more/agent-payment-protocols-compared): AP2, ACP, and x402 each verify that an AI agent had permission to spend. Here is what every protocol covers, who backs it, and the reconciliation gap none of them close. - [Best stablecoin payment providers in 2026: how to choose](https://blindpay.com/resources/more/best-stablecoin-payment-providers-2026): How to choose a stablecoin payment provider in 2026: the four provider types, a comparison of 10 options, and the questions that decide the fit. - [How to send USDC to a bank account in Brazil](https://blindpay.com/resources/more/how-to-send-usdc-to-bank-account-brazil): Step-by-step: convert USDC to Brazilian reais and deliver them to a bank account over Pix using a stablecoin payout API. Quote, verify, send, settle in minutes. - [Stablecoin API SLAs and settlement finality explained](https://blindpay.com/resources/more/stablecoin-api-sla-settlement-finality): Stablecoin API uptime numbers cluster near 99.9% for a reason: most providers measure API acceptance instead of the point where money becomes final and spendable. - [Stablecoin API sandbox vs production: what testing misses](https://blindpay.com/resources/more/stablecoin-api-sandbox-vs-production): Most stablecoin API sandboxes pass every integration test and still leave a team unprepared for production, because webhook delivery and idempotent retries are exactly what sandboxes fake or skip. - [Stablecoin payments explained: a guide for businesses](https://blindpay.com/resources/more/stablecoin-payments-guide): Stablecoin payments move dollar-pegged tokens between parties and settle in minutes, 24/7. How they work, what they cost, and how businesses accept and send them. - [USDC to ARS in 2026: routes, fees, and rules compared](https://blindpay.com/resources/more/usdc-to-ars-routes-2026): Four ways to convert USDC to Argentine pesos in 2026: stablecoin payout APIs, local exchanges, P2P, and global exchanges with Transfers 3.0. Fees, speed, KYC, and Argentina's PSAV rules compared. - [USDC to BRL in 2026: routes, fees, and rules compared](https://blindpay.com/resources/more/usdc-to-brl-routes-2026): Four ways to convert USDC to Brazilian reais in 2026: stablecoin payout APIs, local exchanges, P2P, and global exchanges with Pix. Fees, speed, KYC, and Brazil's VASP rules compared. - [USDC to COP in 2026: routes, fees, and rules compared](https://blindpay.com/resources/more/usdc-to-cop-routes-2026): Four ways to convert USDC to Colombian pesos in 2026: stablecoin payout APIs, local exchanges, P2P, and global exchanges with PSE. Fees, speed, KYC, and Colombia's VASP rules compared. - [USDC to MXN in 2026: routes, fees, and rules compared](https://blindpay.com/resources/more/usdc-to-mxn-routes-2026): Four ways to convert USDC to Mexican pesos in 2026: stablecoin payout APIs, local exchanges, P2P, and global exchanges with SPEI. Fees, speed, KYC, and Mexico's rules compared. - [What is a stablecoin off-ramp? How crypto becomes cash](https://blindpay.com/resources/more/what-is-a-stablecoin-offramp): A stablecoin off-ramp converts stablecoins like USDC or USDT back into fiat currency in a bank account. How the conversion works and who regulates it. ## Stablecoins The digital dollars behind modern cross-border payments, and the ramps that connect them to bank money. - [Best stablecoin APIs in 2026: 10 providers compared](https://blindpay.com/resources/more/best-stablecoin-apis-2026): Ten stablecoin APIs compared for 2026: BlindPay, Circle, Bridge, BVNK, Fireblocks, Crossmint, Zero Hash, Conduit, Sphere, and Borderless, across rails, custody, pricing, and compliance. - [Is XRP a stablecoin? No, and here is the difference](https://blindpay.com/resources/more/is-xrp-a-stablecoin): XRP is not a stablecoin: its price floats freely with the market. Ripple's actual stablecoin is RLUSD. Here is how the two differ and why it matters. - [Stablecoin API pricing: mint fees, spread, and what you actually pay](https://blindpay.com/resources/more/stablecoin-api-pricing-explained): The basis-point figure on a stablecoin provider's pricing page rarely matches the invoice, because mint fees, burn fees, spread, and issuer fees usually live below the line the marketing page shows. - [USDC vs USDT for payments: which should businesses use?](https://blindpay.com/resources/more/usdc-vs-usdt-for-payments): USDC offers stronger reserve transparency and US regulatory posture; USDT offers deeper liquidity in emerging markets. Most payment flows should support both. - [What is USDC? The dollar-pegged stablecoin explained](https://blindpay.com/resources/more/what-is-usdc): USDC is a dollar-pegged stablecoin issued by Circle, backed 1:1 by cash and short-term Treasuries and redeemable for US dollars. How it works and where it's used. - [What is a stablecoin API? Infrastructure explained](https://blindpay.com/resources/more/what-is-a-stablecoin-api): A stablecoin API lets businesses move money with stablecoins through code: wallets, conversion, local payout rails, and compliance behind one integration. - [What is a stablecoin? Definition, types, and how they work](https://blindpay.com/resources/more/what-is-a-stablecoin): A stablecoin is a digital token designed to hold a fixed value, usually one US dollar. Learn how they stay stable, the main types, and what they are used for. ## Compliance The verification and reporting requirements that keep global payments safe and legal. - [Are stablecoin payments reversible? Finality, custody, and fraud explained](https://blindpay.com/resources/more/are-stablecoin-payments-reversible): Stablecoin transfers settle final in minutes and cannot be reversed. That finality proves custody at every step, but it also opens a fraud gap on the fiat side of the payment. - [MiCA stablecoin rules explained for payment companies](https://blindpay.com/resources/more/mica-stablecoin-rules-explained): What MiCA means if your business uses stablecoins in the EU: EMTs vs ARTs, issuer requirements, why USDC is compliant and USDT was delisted, and a practical checklist. - [PSAV in Brazil: the Central Bank's virtual asset license explained](https://blindpay.com/resources/more/psav-brazil-explained): PSAV is Brazil's authorization for virtual asset service providers, created by BCB Resolutions 519, 520, and 521 under Law 14.478/2022. What it requires and who needs it. - [Stablecoin regulation in 2026: MiCA, the GENIUS Act, Brazil, and Japan](https://blindpay.com/resources/more/stablecoin-regulation-tracker-2026): Where stablecoin regulation stands in 2026: MiCA in the EU, the GENIUS Act in the US, Brazil's VASP regime, and Japan's issuer rules, compared for payment businesses. - [What is KYB? Know Your Business verification explained](https://blindpay.com/resources/more/what-is-kyb): KYB verifies a company's legal existence, ownership, and control before it can transact. What it checks, who counts as a beneficial owner, and how it differs from KYC. - [What is a VASP? Virtual asset service provider explained](https://blindpay.com/resources/more/what-is-a-vasp): A VASP is any business that exchanges, transfers, or custodies virtual assets like stablecoins for customers. FATF's definition and what it requires in practice. ## Links - All resources: https://blindpay.com/resources/more - Docs: https://blindpay.com/docs/introduction