generated: '2026-09-05' method: searched source: https://a5x.com.br/en/blog/a5x-en/a5x-dev-portal-provides-specifications-for-developers/ stage: pre-launch versioning: scheme: unknown current: null docs: null note: >- No public versioning policy. A5X states that its Dev Portal carries version-control tracking of the technical specifications, but the portal is login-gated so the scheme cannot be read. deprecation: policy_url: null sunset_header: null note: No deprecation or sunset policy is published on any anonymous surface. sla: url: null uptime_target: null note: >- No SLA is published. The connectivity page states the infrastructure is monitored 24x7 for capacity, stability and resilience, with no numeric availability commitment. status_page: null status_page_note: >- No status page found. status.a5x.com.br does not resolve (NXDOMAIN) and no status link appears in the site navigation or footer. specification_release_phases: - phase: August 2025 content: Foundational specifications (connectivity, core message catalogs) - phase: September 2025 content: Operational features - phase: October 2025 content: Advanced systems note: >- Phase plan as announced by A5X in its Dev Portal launch post; the documents themselves are behind the portal login and carry a regulatory-approval disclaimer ("Documentos tecnicos em processo de aprovacao regulatoria"). milestones: - date: '2023' event: A5X founded in Sao Paulo - date: '2025-06' event: LSEG selected to provide trading, clearing and market surveillance technology - date: '2026' event: Targeted start of exchange operations, pending regulatory pre-operational testing deprecated_operations: [] note: >- No StatusPage or Deprecation pointer is emitted — neither surface exists. This file records the pre-launch lifecycle position and the gated location of the versioning contract. evidence: - url: https://a5x.com.br/en/blog/a5x-en/a5x-dev-portal-provides-specifications-for-developers/ status: 200 - url: https://a5x.com.br/en/connectivity/ status: 200 - url: https://portal-tecnico.a5x.com.br/login status: 200