These guides explain, from Banco de México’s official specification, how Mexico’s payment systems work and what an institution needs in order to connect, certify and operate them. They are written for the technology, operations and compliance teams of banks, SOFIPOs, fintechs and IFPEs.
Where to start
If you are connecting for the first time
Start with SPEI connection requirements and direct or indirect participant, which determines your integration route and its cost.
If you need to operate in dollars
See connecting to SPID with Banxico and the difference between SPEI and SPID to decide whether you need one scheme or both.
If you already operate and worry about backup
Review SPEI contingency, which explains the mandatory backup modes, and audit and compliance.
If you need to justify the investment
Use the SPEI cost calculator to get your break-even volume and payback month, and take it to your committee.
If you are extending the payment experience
See DiMo and CoDi on SPEI, the layers that let customers pay without a CLABE, and what the CEP is.
From guide to project
The guides explain the scheme; the services are how we implement it. If after reading you need to execute, see SPEI integration, SPID integration or contingency, and request an assessment at no obligation.
All guides
DiMo and CoDi on SPEI
DiMo and CoDi are Banxico layers on top of SPEI. What they are, how they differ, whether they are mandatory, and what an institution needs to offer them.
SPEI and SPID audit and compliance
What a SPEI or SPID audit examines, the evidence your institution must retain, and the findings that come up most often in Mexican payment operations.
COA, POA and ASA: SPEI contingency explained
The COA, POA and ASA contingency modes Banxico requires of SPEI participants: when each applies and how to stay compliant with drills.
Connecting to SPEI with Banxico: requirements and process
What a financial institution needs to connect to SPEI: Banxico requirements, certificates, infrastructure, contingency, and the stages of the certification process.
Connecting to SPID: dollar payments within Mexico
Technical and regulatory requirements to connect an institution to SPID: participation, links, RFC and LEI validation, certification and contingency.
Difference between SPEI and SPID
The difference between SPEI and SPID: currency, hours, users and compliance requirements of each Banxico payment system, and how to decide which one you need.
Direct vs indirect SPEI participant
What each SPEI participation model costs, from what volume connecting directly makes sense, and what you gain beyond the saving.
What is the CEP and how to validate a SPEI transfer
The CEP (Comprobante Electrónico de Pago) is the official proof of a settled SPEI transfer. What it contains, how to validate it with Banxico, and what it means for your institution.