Guides

Glossary

To understand the vocabulary used in the guides


  • 2FA (Two-Factor Authentication) :

A security mechanism requiring two distinct factors to verify a user’s identity (e.g., password + SMS code).


  • 3D-Secure (3DS) :

Online card payment authentication protocol to reduce fraud (e.g., "Verified by Visa", "Mastercard Identity Check").


  • Access Token :

Digital key used to securely access an API or system.


  • ACPR (Autorité de Contrôle Prudentiel et de Résolution) :

French supervisory authority for banking and insurance, under the Banque de France (the french central bank).


  • Acquirer :

A payment service provider processing card payments on behalf of merchants.


  • Agent :

A person or entity acting on behalf of a licensed payment service provider (the Platform).


  • AML/CFT (Anti-Money Laundering / Counter Financing of Terrorism) :

Regulations preventing money laundering and illicit financing.


  • API (Application Programming Interface) :

Interface allowing applications to communicate with each other.


  • Available Balance :

The portion of the funds in a Payment Account that is cleared and ready for immediate use (P2P or Pay-out).


  • Bank Reconciliation :

Process of matching internal platform records with bank statements to ensure financial integrity.


  • BIC (Bank Identifier Code) :

The standard international code (also known as SWIFT) used to identify a specific bank during a transfer.


  • Card Descriptor :

Name displayed on the cardholder’s bank statement for a card transaction.


  • CB Card (Carte Bancaire) :

French-issued bank card payment method.


  • Changelog :

Documented history of changes made to a system or product.


  • Chargeback :

Payment reversal initiated by the issuer following a dispute from the cardholder.


  • Crowdfunding :

Funding method where individuals or companies collectively finance a project.


  • Dashboard (Backoffice) :

Internal management interface to administer and monitor operations.


  • Document Key :

A unique identifier used in the API to categorize a compliance document (e.g., identity_proof, ubo_declarative_form).


  • Environment Name :

Designation of the computing environment (e.g., sandbox, test, production).


  • Escrow Account :

Segregated account keeping client funds separate from company funds.


  • External Account :

A real-world bank account (identified by an IBAN) located outside of the MPS ecosystem, used for withdrawals.


  • GDPR (General Data Protection Regulation) :

EU regulation on the protection of personal data.


  • IBAN (International Bank Account Number) :

Standardized international bank account number.


  • Integration :

Technical process of implementing a payment solution or API.


  • IP Address :

Unique digital identifier assigned to a device connected to a network.


  • KYB (Know Your Business) :

Identity and compliance verification process for legal entities (companies, associations).


  • KYC (Know Your Customer) :

Identity and compliance verification process for individual clients (natural persons).


  • Legal Representative :

The individual (Natural Person) authorized to act on behalf of a Legal Entity.


  • Mandate (SEPA Direct Debit Mandate) :

A legal authorization given by a customer to a creditor to pull funds from their bank account.


  • P2P (Peer-to-Peer) :

An instant internal transfer of funds between two Payment Accounts within the platform.


  • Pay In :

An operation where funds are credited to a Payment Account (via Card, Transfer, or Direct Debit).


  • Pay Out (Withdrawal) :

An operation where funds are debited from a Payment Account and sent to an External Bank Account.


  • Payment Account :

A digital ledger used to hold and transit e-money for a specific User.


  • PCI DSS (Payment Card Industry Data Security Standard) :

International security standard for handling card payment data.


  • Person :

The real-world identity (Natural or Legal) attached to a User for compliance and identity verification.


  • PISP (Payment Initiation Service Provider) :

Provider offering payment initiation services, regulated under PSD2.


  • Platform UUID :

The unique identifier of your platform environment within the MPS system.


  • Production :

Live environment where operations are executed with real data.


  • PSD2 (Payment Services Directive 2) :

European directive regulating payment services and strengthening security.


  • PSP (Payment Service Provider) :

Entity providing payment services.


  • R-Transaction :

A rejected or returned SEPA Direct Debit transaction (e.g., due to insufficient funds or a revoked mandate).


  • Rebilling :

Re-invoicing of fees or services to a third party.


  • REST API :

API type using HTTP protocol and REST principles (Representational State Transfer).


  • Rolling Reserve :

Funds withheld by a PSP to cover potential chargebacks or disputes.


  • RTS (Regulatory Technical Standards) :

Technical standards issued by EU authorities.


  • Sandbox :

Isolated test environment to develop or validate integrations without real data.


  • SCA (Strong Customer Authentication) :

Strong authentication required by PSD2 for certain operations (e.g., 3DS for cards).


  • SDD (SEPA Direct Debit) :

European system for automatic bank debits.


  • Segregation :

The legal requirement to separate client funds from the company’s operational funds.


  • Technical Account :

Internal account used for technical flows or intermediate operations.


  • UBO (Ultimate Beneficial Owner) :

The individual(s) who ultimately own or control more than 25% of a legal entity.


  • UMR (Unique Mandate Reference) :

The unique reference number identifying a SEPA mandate on a bank statement.


  • User :

The top-level digital identity in the API that holds one or several Payment Accounts.


  • Webhook :

A real-time notification sent by MPS to your platform when an event occurs (e.g., document validated).


  • Whitelisted IP Address :

IP explicitly allowed to access a system or API.


Updated 13 days ago