Developers First

Built for developers.
Ready for production.

Integrate identity verification into your products without fighting infrastructure. Clear, predictable API and tools for modern teams.

Integration in minutes
Real-time webhooks
Free sandbox
Complete observability
singula-api
Tools

Every verification tool, one API call

All MasterApi capabilities available for your integration.

CURP Calculosync

POST /v1/curp/calculate

<200mssandbox+prod
CURP Validacionasync

POST /v1/curp/validate

<3ssandbox+prod
RFC Calculosync

POST /v1/rfc/calculate

<200mssandbox+prod
RFC Validacionsync

POST /v1/rfc/validate

<2ssandbox+prod
Blacklist/AMLsync

POST /v1/blacklist/check

<1ssandbox+prod
KYC Biometricoasync

POST /v1/kyc/verify

<30ssandbox+prod
Antecedentes Judicialessync

POST /v1/judicial/search

<3ssandbox+prod
NSSasync

POST /v1/nss/lookup

<5ssandbox+prod
Intel OSINTasync

POST /v1/intel/investigate

<60ssandbox+prod
Buro de Creditoasync

POST /v1/credit/bureau

<10sprod
OCR Documentosasync

POST /v1/ocr/extract

<15ssandbox+prod
Gestion Clientessync

POST /v1/customers

<200mssandbox+prod
Deteccion Fraude IAasync

POST /v1/ai/fraud-check

<5ssandbox+prod

Explore the API interactively

Select an endpoint to see the request/response structure.

curl -X POST https://api.singula.mx/v1/customers \
  -H "Authorization: Bearer sk_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Maria",
    "last_name": "Garcia",
    "gender": "M",
    "birth_day": "15",
    "birth_month": "03",
    "birth_year": "1990"
  }'
Customers / Crear ClienteTry in Sandbox
Quickstart

Integration in minutes, not months.

With simple endpoints and a consistent structure, you can have your first flow running today.

Contact us

Reach out to get early access.

Get API Key

Get your Sandbox credentials.

Test Integration

Test with simulated data.

Go Live

Switch to production with a toggle.

  • Simple endpoints

    Predictable and easy-to-understand RESTful API.

  • Copy-Paste Examples

    Snippets ready to use in the most popular languages.

  • Native SDKs

    Official libraries for Node, Python, Go, and more.

  • Step-by-step guides

    Tutorials for onboarding, KYC, and anti-fraud.

MCP Server

Integrate Singula with AI agents

Our MCP server allows AI agents like Claude or GPT to use verification tools directly.

Setup in minutes
All tools available as MCP tools
Automatic async polling for slow operations
Compatible with Claude Desktop, Cursor, and any MCP client
mcp-config.json
{
  "mcpServers": {
    "singula": {
      "url": "https://api.singula.mx/mcp",
      "headers": {
        "Authorization": "Bearer sk_live_..."
      }
    }
  }
}
Available tools:
createCustomerCreate physical/moral person
validateCurpValidate CURP via RENAPO
validateRfcValidate RFC via SAT
checkBlacklistSearch sanctions lists
getIntelligenceOSINT investigation
getJudicialRecordsCriminal records search
getNssSocial security lookup

Real-time webhooks for reactive experiences.

Your system receives instant notifications when verification status changes.

Singula
Tu App
EVENT: verified
  • Immediate notifications
  • Easy to connect to workers
  • Automatic retries
  • Security signatures (HMAC)

Typical use

  • Send email upon verification completion
  • Unlock premium features
  • Create manual review tickets
Testing Environment

Secure sandbox to experiment without risk.

Test the entire API without touching real data. Simulate responses, errors, and risk scenarios.

  • Unlimited free sandbox
  • Preconfigured scenarios (fraud, success)
  • Test automation
  • Same structure as production
Environment Switch
ver_test_123
verified
TEST DATA
ver_test_456
review_needed
TEST DATA
ver_test_789
rejected
TEST DATA

Platform guarantees for serious teams

Security, observability, and governance built-in.

Logs with unique IDs

End-to-end traceability of every request.

API Keys per environment

Separate sandbox and production management.

Roles and permissions

Granular access control by team.

E2E Encryption

Default on all communications.

LFPDPPP Compliance

Mexican personal data regulation.

Versioned API

No breaking changes. Guaranteed stability.

Start building with Singula today.

Contact us for early access and have your first verification flow running in minutes.

GET YOUR API KEY
$ curl https://api.singula.mx/v1/keys
> { "key": "sk_test_..." }

No forced contracts. No cost in sandbox.