PHP API

Value objects and support

Class Purpose
Data\AiCallEnvelope Provider-neutral call contract
Data\TokenUsage Token and cache usage
Data\CostBreakdown Input, output, and total cost
Support\TraceContext Scoped agent and tenant context
Support\TenantResolver Tenant resolution seam
Support\FxConverter Base/display currency conversion

Contracts

Contract Purpose
UsageRecorder Persist usage rows
PricingSource Feed or override source
ActualCostResolver Recover provider-billed cost
TokenEstimator Estimate tokens when provider usage is absent
QualityScoreProvider Cost-aware routing quality seam
GuardrailProvider Compliance and redaction seam
CopilotProvider Natural-language FinOps seam

Models

Budget, UsageRecord, PricingOverride, SubscriptionWindow, Policy, SpendApproval, KillSwitch, CostCenter, AlertChannel, AlertRule, AlertLogEntry, AuditEntry, RoutingRule, WhatIfScenario, CreditPool, CreditTransaction, PriceWatchSubscription, PriceSnapshot, CopilotQuery, and AnomalyAck.

Null defaults

Optional integrations bind null providers by default. Host apps replace them only when they need quality scores, guardrails, or copilot behavior.

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