overlay: 1.0.0 info: title: API Evangelist enrichment overlay — Tieto OpenBanking XS2A apis - Account information service version: 1.0.0 extends: ../openapi/tietoevry-tieto-xs2a-accounts.v1_3.yaml x-generated: '2026-09-02' x-method: generated x-source: Generated by the API Evangelist enrichment pipeline from artifacts in this repository. It records our measurements ON TOP OF the provider contract and never mutates it. actions: - target: $.info description: Record API Evangelist provenance for this harvested contract. update: x-apievangelist-source: https://openbanking.api.tietoevry.com/documentation/tieto-xs2a-accounts.v1_3.yaml x-apievangelist-harvested: '2026-09-02' x-apievangelist-provider: tietoevry x-apievangelist-http-status: 200 - target: $.info description: State the runtime semantics the contract itself leaves unsaid, as measured by the enrichment pipeline. update: x-authentication: API key in the X-API-Key header, issued per application registered at https://openbanking.api.tietoevry.com. Live access additionally requires eIDAS QWAC/QSealC client certificates. See authentication/tietoevry-authentication.yml. x-idempotency: NOT SUPPORTED. X-Request-ID is a correlation identifier only; the provider documents no replay guarantee, no retention window and no Idempotency-Key header. Do not retry a write on timeout. x-error-format: 'Berlin Group envelope: { transactionStatus, tppMessages[{category,code,text}], psuMessage }. Not RFC 9457. See errors/tietoevry-problem-types.yml.' x-rate-limits: No platform rate limit is published. 429 fires when the consent frequencyPerDay quota set by the client is exhausted; no Retry-After or RateLimit-* header is returned. See rate-limits/tietoevry-rate-limits.yml. x-reversibility: Reversal operations exist (cancel / refund / reject / chargeback / recall / delete-consent) but NO time window is published for any of them. See conventions/tietoevry-conventions.yml. x-lifecycle: No deprecation or sunset policy, no status page, no dated changelog. See lifecycle/tietoevry-lifecycle.yml. - target: $.info description: Record the measured operation count for this document. update: x-operation-count: 12 - target: $.info description: Record the domain standard this contract implements, as evidenced by its own resource model and vocabularies. update: x-domain-standard: Berlin Group NextGenPSD2 XS2A Framework x-domain-standard-evidence: conformance/tietoevry-conformance.yml - target: $.info description: Preserve the Swagger 2.0 host/schemes as an explicit note; this document is not OpenAPI 3 and carries no servers[]. update: x-declared-host: openbanking.api.tieto.com x-declared-schemes: - http - https