# Bridge by LINK

> Bridge enables FX Infrastructure for Modern Payments Powering FX monetization for platforms, PSPs and global businesses across 400+ currency pairs all on one API.

- [Welcome to Bridge by LINK](https://docs.bridge.linkio.world/index.md): Let your customers swap fiat for stablecoins, and stablecoins back to fiat.
- [How it works](https://docs.bridge.linkio.world/how-it-works.md): The journey every payment takes, from price to completion.
- [Quickstart](https://docs.bridge.linkio.world/quickstart.md): Begin with a guide on the fastest path to a successful outcome.
- [Sandbox and live](https://docs.bridge.linkio.world/sandbox.md): Test safely in the sandbox, then switch to live when you're ready.
- [The Bridge app](https://docs.bridge.linkio.world/control-app/overview.md): Your dashboard for payments, statements, keys, webhooks and settings.
- [Sign-in and security](https://docs.bridge.linkio.world/control-app/account-security.md): Sign in, reset your password, and protect your account with two-factor sign-in.
- [Currency pairs](https://docs.bridge.linkio.world/control-app/ramp-pairs.md): Choose which stablecoins and fiat currencies your business powers.
- [Allowlist your IP addresses](https://docs.bridge.linkio.world/control-app/ip-allowlist.md): Only requests from the addresses you list can use your API keys.
- [Create API keys](https://docs.bridge.linkio.world/control-app/api-keys.md): Create keys, choose what each key can do, and keep them safe.
- [Set up webhooks](https://docs.bridge.linkio.world/control-app/webhooks.md): Add a URL so we can tell you when your payments change.
- [Invite your team](https://docs.bridge.linkio.world/control-app/team.md): Add teammates and choose what each person can do.
- [Transactions, customers, and statements](https://docs.bridge.linkio.world/control-app/transactions-and-statements.md): Watch your payments and download reports.
- [Supported currencies and methods](https://docs.bridge.linkio.world/before-you-build/currencies.md): Which fiat currencies, stablecoins, networks, and payment methods you can use.
- [Minimum and maximum amounts](https://docs.bridge.linkio.world/before-you-build/limits.md): The smallest and largest amount for each currency and direction.
- [Time limits](https://docs.bridge.linkio.world/before-you-build/time-limits.md): How long quotes, deposits, and requests last.
- [API versions](https://docs.bridge.linkio.world/before-you-build/api-versions.md): Send your account's API version with every request.
- [Making requests safely](https://docs.bridge.linkio.world/before-you-build/safe-requests.md): Retry without creating duplicate payments, and stay within rate limits.
- [Onboard a customer](https://docs.bridge.linkio.world/flows/onboard-customer.md): Tell us who is making payments before you create a quote.
- [Get a quote](https://docs.bridge.linkio.world/flows/quotes.md): Find out how much your customer will receive, and lock in the price.
- [Onramp: fiat to stablecoin](https://docs.bridge.linkio.world/flows/onramp.md): Your customer pays in fiat and receives USDC.
- [Offramp: stablecoin to fiat](https://docs.bridge.linkio.world/flows/offramp.md): Your customer sends USDC and receives fiat in their bank or mobile money wallet.
- [Mobile money](https://docs.bridge.linkio.world/flows/mobile-money.md): Collect fiat from a mobile money wallet, and pay out to one.
- [How webhooks work](https://docs.bridge.linkio.world/webhooks/overview.md): We send a message to your server every time a payment changes.
- [Verify webhooks](https://docs.bridge.linkio.world/webhooks/verify.md): Check that a webhook really came from Bridge.
- [Onramp events](https://docs.bridge.linkio.world/webhooks/onramp-events.md): Every event we send during an onramp: what it means and when it fires.
- [Offramp events](https://docs.bridge.linkio.world/webhooks/offramp-events.md): Every event we send during an offramp: what it means and when it fires.
- [Event timeline](https://docs.bridge.linkio.world/webhooks/event-timeline.md): The order events arrive in, for successful and failed payments.
- [How errors look](https://docs.bridge.linkio.world/errors/overview.md): Every error has the same shape, so your code can handle them all the same way.
- [Status codes](https://docs.bridge.linkio.world/errors/status-codes.md): What each HTTP status code means, in plain words.
- [Error codes and messages](https://docs.bridge.linkio.world/errors/codes.md): Every error code, what it means, and how to fix it.
- [API reference](https://docs.bridge.linkio.world/api-reference/introduction.md): Every endpoint, with its fields, success responses, and failure responses.
- [Add a customer](https://docs.bridge.linkio.world/api-reference/customers/onboard.md): Create a person or company that can make payments.
- [List customers](https://docs.bridge.linkio.world/api-reference/customers/list.md): Get your customers, one page at a time, newest first.
- [Get a customer](https://docs.bridge.linkio.world/api-reference/customers/details.md): Get one customer by ID.
- [Get a quote](https://docs.bridge.linkio.world/api-reference/quotes/generate.md): Price an onramp or offramp and hold the price for a short time.
- [Refresh a quote](https://docs.bridge.linkio.world/api-reference/quotes/refresh.md): Get a fresh price for an existing quote, keeping its ID.
- [Create an onramp](https://docs.bridge.linkio.world/api-reference/payments/onramp.md): Start a payment where the customer pays fiat and receives stablecoin.
- [Create an offramp](https://docs.bridge.linkio.world/api-reference/payments/offramp.md): Start a payment where the customer sends stablecoin and receives fiat.
- [Send a mobile money code](https://docs.bridge.linkio.world/api-reference/payments/otp.md): Send the one-time code from the payer's phone for a mobile money onramp.
- [List payments](https://docs.bridge.linkio.world/api-reference/payments/list.md): Get your payments, one page at a time, with filters.
- [Get a payment](https://docs.bridge.linkio.world/api-reference/payments/details.md): Get one payment by ID, including its current state.
- [List banks](https://docs.bridge.linkio.world/api-reference/lookups/banks.md): Get the banks and their codes for a currency.
- [List mobile money networks](https://docs.bridge.linkio.world/api-reference/lookups/momo-networks.md): Get the mobile money networks and their codes for a currency.
- [List payment methods](https://docs.bridge.linkio.world/api-reference/lookups/methods.md): Get the payout methods for a currency, and the exact fields each one needs.
- [Recipes](https://docs.bridge.linkio.world/recipes/overview.md): Step-by-step guides for common money movements.
- [NGN to USDC](https://docs.bridge.linkio.world/recipes/ngn-to-usdt.md): A customer in Nigeria buys USDC with a bank transfer.
- [USDC to GHS mobile money](https://docs.bridge.linkio.world/recipes/usdc-to-ghs-momo.md): A customer sells USDC and receives cedi in their mobile money wallet.
- [Changelog](https://docs.bridge.linkio.world/changelog.md): New features, changes, and API versions.


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