# Nexus Payments Docs

## Docs

- [Nexus Overview](https://docs.nexusglobalpayments.org/introduction/readme.md)
- [How to use this site](https://docs.nexusglobalpayments.org/introduction/how-to-use-this-site.md)
- [Terminology](https://docs.nexusglobalpayments.org/introduction/terminology.md)
- [Change Log](https://docs.nexusglobalpayments.org/introduction/change-log.md)
- [Key Points](https://docs.nexusglobalpayments.org/payment-setup/key-points.md)
- [Scope of Nexus payments](https://docs.nexusglobalpayments.org/payment-setup/scope-of-nexus-payments.md)
- [Steps 1-2: Country, Currency & Amount](https://docs.nexusglobalpayments.org/payment-setup/steps-1-2-country-currency-and-amount.md)
- [Steps 3-6: Exchange Rates](https://docs.nexusglobalpayments.org/payment-setup/steps-3-6-exchange-rates.md)
- [Steps 7-9: Addressing, Proxy Resolution & Confirmation of Payee](https://docs.nexusglobalpayments.org/payment-setup/steps-7-9-addressing-proxy-resolution-and-confirmation-of-payee.md)
- [Steps 10-11: Sanctions screening](https://docs.nexusglobalpayments.org/payment-setup/steps-10-11-sanctions-screening.md)
- [Step 12: Ask the Sender for approval](https://docs.nexusglobalpayments.org/payment-setup/step-12-ask-the-sender-for-approval.md)
- [Step 13-14: Set up and send the payment instruction](https://docs.nexusglobalpayments.org/payment-setup/step-13-16-set-up-and-send-the-payment-instruction.md)
- [Step 15: Accept the confirmation and notify Sender](https://docs.nexusglobalpayments.org/payment-setup/step-17-accept-the-confirmation-and-notify-sender.md)
- [Key Points](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/key-points.md)
- [Overview of Payment Addressing in Nexus](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/overview-of-payment-addressing-in-nexus.md)
- [Addressing via Proxies (Aliases)](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/overview-of-payment-addressing-in-nexus/addressing-via-proxies-aliases.md)
- [Addressing via Account Details](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/overview-of-payment-addressing-in-nexus/addressing-via-account-details.md)
- [Address Types & Inputs](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/address-types-and-inputs.md)
- [Address Types](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/address-types-and-inputs/address-types.md)
- [Address Inputs](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/address-types-and-inputs/address-inputs.md)
- [Financial Institution Identification](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/address-types-and-inputs/financial-institution-identification.md)
- [List of PSPs](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/address-types-and-inputs/list-of-psps.md)
- [Examples](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/address-types-and-inputs/examples.md)
- [Proxy & Account Resolution Process](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/proxy-and-account-resolution-process.md)
- [Step 1: Sender inputs proxy or account details](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/proxy-and-account-resolution-process/step-1-sender-inputs-proxy-or-account-details.md)
- [Step 2: Proxy Resolution Messaging Sequence](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/proxy-and-account-resolution-process/step-2-proxy-resolution-messaging-sequence.md)
- [Step 3: Account Resolution Messaging Sequence](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/proxy-and-account-resolution-process/step-3-account-resolution-messaging-sequence.md)
- [Step 4: Source PSP processes the results](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/proxy-and-account-resolution-process/step-4-source-psp-processes-the-results.md)
- [Masking of Display Names](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/proxy-and-account-resolution-process/masking-of-display-names.md)
- [Role of the Proxy Directory Operator (PDO)](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/role-of-the-proxy-directory-operator-pdo.md)
- [Obligations on the Proxy Directory Operator](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/role-of-the-proxy-directory-operator-pdo/obligations-on-the-proxy-directory-operator.md)
- [Obligations of PSPs using the Proxy Directory](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/role-of-the-proxy-directory-operator-pdo/obligations-of-psps-using-the-proxy-directory.md)
- [Onboarding a Proxy Directory Operator onto Nexus](https://docs.nexusglobalpayments.org/addressing-and-proxy-resolution/role-of-the-proxy-directory-operator-pdo/onboarding-a-proxy-directory-operator-onto-nexus.md)
- [Key Points](https://docs.nexusglobalpayments.org/fx-provision/key-points.md)
- [Role of the FX Provider](https://docs.nexusglobalpayments.org/fx-provision/role-of-the-fx-provider.md)
- [How Third-Party FX provision works in Nexus](https://docs.nexusglobalpayments.org/fx-provision/how-third-party-fx-provision-works-in-nexus.md)
- [Joining Nexus as a third-party FXP](https://docs.nexusglobalpayments.org/fx-provision/joining-nexus-as-a-third-party-fxp.md)
- [Accessing Instant Payment Systems](https://docs.nexusglobalpayments.org/fx-provision/accessing-instant-payment-systems.md)
- [Onboarding PSPs](https://docs.nexusglobalpayments.org/fx-provision/onboarding-psps.md)
- [Obligations & Compliance](https://docs.nexusglobalpayments.org/fx-provision/obligations-and-compliance.md)
- [Revenue model for FXPs](https://docs.nexusglobalpayments.org/fx-provision/revenue-model-for-fxps.md)
- [Rates from Third-Party FX Providers](https://docs.nexusglobalpayments.org/fx-provision/rates-from-third-party-fx-providers.md)
- [Improving rates for larger transactions](https://docs.nexusglobalpayments.org/fx-provision/rates-from-third-party-fx-providers/improving-rates-for-larger-transactions.md)
- [Improving rates for specific PSPs](https://docs.nexusglobalpayments.org/fx-provision/rates-from-third-party-fx-providers/improving-rates-for-specific-psps.md)
- [Quotes](https://docs.nexusglobalpayments.org/fx-provision/quotes.md)
- [Managing Liquidity](https://docs.nexusglobalpayments.org/fx-provision/managing-liquidity.md)
- [Key Points](https://docs.nexusglobalpayments.org/payment-processing/key-points.md)
- [Accounts & Relationships](https://docs.nexusglobalpayments.org/payment-processing/accounts-and-relationships.md)
- [Value limit of a Nexus payment](https://docs.nexusglobalpayments.org/payment-processing/maximum-value-of-a-nexus-payment.md)
- [Payment Flow](https://docs.nexusglobalpayments.org/payment-processing/payment-flow-happy-path.md)
- [Detailed Flow in Source Country (Sending)](https://docs.nexusglobalpayments.org/payment-processing/payment-flow-happy-path/detailed-flow-in-source-country-sending.md)
- [Detailed Flow in Destination Country (Receiving)](https://docs.nexusglobalpayments.org/payment-processing/payment-flow-happy-path/detailed-flow-in-destination-country-receiving.md)
- [Booking flow for Source PSPs](https://docs.nexusglobalpayments.org/payment-processing/payment-flow-happy-path/booking-flow-for-source-psps.md)
- [Notifying FXPs of completed payments](https://docs.nexusglobalpayments.org/payment-processing/payment-flow-happy-path/notifying-fxps-of-completed-payments.md)
- [Validations, Duplicates & Fraud](https://docs.nexusglobalpayments.org/payment-processing/validations-duplicates-and-fraud.md)
- [High priority vs normal priority payments](https://docs.nexusglobalpayments.org/payment-processing/time-critical-vs-non-time-critical-payments.md)
- [Special Scenarios](https://docs.nexusglobalpayments.org/payment-processing/special-scenarios.md)
- [Payment setup for PSPs who provide their own FX](https://docs.nexusglobalpayments.org/payment-processing/payment-setup-for-psps-who-provide-their-own-fx.md)
- [Detailed processing flows](https://docs.nexusglobalpayments.org/payment-processing/payment-setup-for-psps-who-provide-their-own-fx/detailed-processing-flows.md)
- [Unsuccessful Payments (Exceptions)](https://docs.nexusglobalpayments.org/payment-processing/unsuccessful-payments-exceptions.md)
- [Rejects](https://docs.nexusglobalpayments.org/payment-processing/unsuccessful-payments-exceptions/rejects.md)
- [Recall Requests](https://docs.nexusglobalpayments.org/payment-processing/unsuccessful-payments-exceptions/recall-requests.md)
- [Returns](https://docs.nexusglobalpayments.org/payment-processing/unsuccessful-payments-exceptions/returns.md)
- [Disputes](https://docs.nexusglobalpayments.org/payment-processing/unsuccessful-payments-exceptions/disputes.md)
- [Reconciliation reports](https://docs.nexusglobalpayments.org/payment-processing/unsuccessful-payments-exceptions/reconciliation-reports.md)
- [Investigation & Enquiry](https://docs.nexusglobalpayments.org/payment-processing/investigation-and-enquiry.md)
- [Source IPSO to Nexus](https://docs.nexusglobalpayments.org/payment-processing/investigation-and-enquiry/source-ipso-to-nexus.md)
- [Nexus to Destination IPSO](https://docs.nexusglobalpayments.org/payment-processing/investigation-and-enquiry/nexus-to-destination-ipso.md)
- [Destination IPSO to Nexus](https://docs.nexusglobalpayments.org/payment-processing/investigation-and-enquiry/destination-ipso-to-nexus.md)
- [Nexus to Source IPSO](https://docs.nexusglobalpayments.org/payment-processing/investigation-and-enquiry/nexus-to-source-ipso.md)
- [Fees](https://docs.nexusglobalpayments.org/payment-processing/fees.md)
- [Role and responsibilities of the Instant Payment System Operator (IPSO)](https://docs.nexusglobalpayments.org/payment-processing/role-and-responsibilities-of-the-instant-payment-system-operator-ipso.md)
- [Ensuring settlement certainty](https://docs.nexusglobalpayments.org/payment-processing/ensuring-settlement-certainty.md)
- [Annex: 4-step vs 5-step Processes in Domestic Clearing and Settlement](https://docs.nexusglobalpayments.org/payment-processing/annex-4-step-vs-5-step-processes-in-domestic-clearing-and-settlement.md)
- [Annex: Sponsoring PSPs and Sponsored Entities](https://docs.nexusglobalpayments.org/payment-processing/annex-sponsoring-psps-and-sponsored-entities.md)
- [Key Points](https://docs.nexusglobalpayments.org/settlement-access-provision/key-points.md)
- [Role of the Settlement Access Provider (SAP)](https://docs.nexusglobalpayments.org/settlement-access-provision/role-of-the-settlement-access-provider-sap.md)
- [Joining Nexus as an SAP](https://docs.nexusglobalpayments.org/settlement-access-provision/joining-nexus-as-an-sap.md)
- [SAP onboarding of FXPs (or foreign PSPs)](https://docs.nexusglobalpayments.org/settlement-access-provision/sap-onboarding-of-fxps-or-foreign-psps.md)
- [Costs and Revenue for SAPs](https://docs.nexusglobalpayments.org/settlement-access-provision/costs-and-revenue-for-saps.md)
- [Obligations on the SAP](https://docs.nexusglobalpayments.org/settlement-access-provision/obligations-on-the-sap.md)
- [Processing payments as an SAP](https://docs.nexusglobalpayments.org/settlement-access-provision/processing-payments-as-an-sap.md)
- [Payment Process for the Source SAP](https://docs.nexusglobalpayments.org/settlement-access-provision/processing-payments-as-an-sap/payment-process-for-the-source-sap.md)
- [Payment Process for the Destination SAP](https://docs.nexusglobalpayments.org/settlement-access-provision/processing-payments-as-an-sap/payment-process-for-the-destination-sap.md)
- [How the Destination IPS initiates the payment via the Destination SAP](https://docs.nexusglobalpayments.org/settlement-access-provision/processing-payments-as-an-sap/how-the-destination-ips-initiates-the-payment-via-the-destination-sap.md)
- [Managing Liquidity as an SAP](https://docs.nexusglobalpayments.org/settlement-access-provision/managing-liquidity-as-an-sap.md)
- [Key Points](https://docs.nexusglobalpayments.org/messaging-and-translation/key-points.md)
- [General Usage of ISO 20022](https://docs.nexusglobalpayments.org/messaging-and-translation/general-usage-of-iso-20022.md)
- [Adherence to CPMI Harmonised ISO 20022 Data Requirements](https://docs.nexusglobalpayments.org/messaging-and-translation/general-usage-of-iso-20022/adherence-to-cpmi-harmonised-iso-20022-data-requirements.md)
- [Compatibility with Instant Payments Plus (IP+)](https://docs.nexusglobalpayments.org/messaging-and-translation/compatibility-with-instant-payments-plus-ip+.md)
- [Message transformation by Nexus](https://docs.nexusglobalpayments.org/messaging-and-translation/message-transformation-by-nexus.md)
- [Specific Message Elements](https://docs.nexusglobalpayments.org/messaging-and-translation/specific-message-elements.md)
- [Purpose Codes](https://docs.nexusglobalpayments.org/messaging-and-translation/purpose-codes.md)
- [Message Guidelines (Excel)](https://docs.nexusglobalpayments.org/messaging-and-translation/message-guidelines-excel.md)
- [MESSAGE acmt.023 Identification Verification Request](https://docs.nexusglobalpayments.org/messaging-and-translation/message-acmt.023-identification-verification-request.md)
- [MESSAGE acmt.024 Identification Verification Report](https://docs.nexusglobalpayments.org/messaging-and-translation/message-acmt.024-identification-verification-report.md)
- [MESSAGE: pacs.008 FI to FI Customer Credit Transfer](https://docs.nexusglobalpayments.org/messaging-and-translation/message-pacs.008-fi-to-fi-customer-credit-transfer.md)
- [pacs.008 Differences from CPMI Harmonisation Requirements](https://docs.nexusglobalpayments.org/messaging-and-translation/message-pacs.008-fi-to-fi-customer-credit-transfer/pacs.008-differences-from-cpmi-harmonisation-requirements.md)
- [MESSAGE pacs.002 Payment Status Report](https://docs.nexusglobalpayments.org/messaging-and-translation/message-pacs.002-payment-status-report.md)
- [pacs.002 Differences from CPMI/CBPR+ Guidelines](https://docs.nexusglobalpayments.org/messaging-and-translation/message-pacs.002-payment-status-report/pacs.002-differences-from-cpmi-cbpr+-guidelines.md)
- [MESSAGE: pacs.004 Payment Return (Not yet supported)](https://docs.nexusglobalpayments.org/messaging-and-translation/message-pacs.004-payment-return-not-yet-supported.md)
- [MESSAGE: camt.054 Bank to Customer Debit Credit Notification](https://docs.nexusglobalpayments.org/messaging-and-translation/message-camt.054-bank-to-customer-debit-credit-notification.md)
- [Translation To/From Domestic Message Formats](https://docs.nexusglobalpayments.org/messaging-and-translation/translation-to-from-domestic-message-formats.md)
- [Translating To/From ISO 20022 Codes](https://docs.nexusglobalpayments.org/messaging-and-translation/translating-to-from-iso-20022-codes.md)
- [Overview](https://docs.nexusglobalpayments.org/apis/overview.md)
- [Payment Setup API flows](https://docs.nexusglobalpayments.org/apis/payment-setup-api-flows.md)
- [Countries](https://docs.nexusglobalpayments.org/apis/countries.md)
- [Address Types and Inputs](https://docs.nexusglobalpayments.org/apis/address-types-and-inputs.md)
- [Financial Institutions](https://docs.nexusglobalpayments.org/apis/financial-institutions.md)
- [Fees and Amounts](https://docs.nexusglobalpayments.org/apis/fees-and-amounts.md)
- [Quotes](https://docs.nexusglobalpayments.org/apis/quotes.md)
- [ISO 20022 Messages](https://docs.nexusglobalpayments.org/apis/iso-20022-messages.md)
- [FXP Rates](https://docs.nexusglobalpayments.org/apis/fxp-rates.md): APIs for FX Providers (FXPs) to create, retrieve and withdraw the exchange rates they offer on Nexus for quote generation.
- [FXP Tier-based Improvement](https://docs.nexusglobalpayments.org/apis/fxp-tier-based-improvement.md): APIs for FX Providers (FXPs) to manage improvement tiers, which give better rates in basis points for transactions at or above a threshold in a given source currency.
- [Additional optional APIs](https://docs.nexusglobalpayments.org/apis/additional-optional-apis.md)
- [Terms and Conditions of Use](https://docs.nexusglobalpayments.org/legal/copyright-terms.md)
- [Cookies Notice](https://docs.nexusglobalpayments.org/legal/cookies-notice.md)