Data-layer swarm · Integration-Drift-Monitor Agent · Deprecation-sunset-countdown skill · Build pillar · Published July 11, 2026

How to build multi-vendor API lifecycle management with deprecation countdown

This guide explains how to architect the deprecation-sunset-countdown skill on the integration-drift-monitor agent end-to-end at multi-vendor multi-location franchise scale: per-portfolio per-vendor per-API per-canonical-per-vendor-changelog-polling-spec + per-per-endpoint-deprecation-detection-spec + per-per-sunset-countdown-spec + per-per-migration-runbook-authoring-spec + per-per-vendor-prioritization-spec + per-per-deprecation-multi-LLM-classification + per-per-deprecation-blast-radius-estimation + per-per-deprecation-cross-skill-handoff + per-per-deprecation-FBC-feedback-loop + per-per-deprecation-audit-trail + per-portfolio audit-trail.

Engage the integration-drift-monitor agent See the 32-agent swarm

What you will build

Per-portfolio per-canonical-per-vendor-changelog-polling-spec across per-Google-Ads-API + per-Meta-Marketing-API + per-TikTok-Marketing-API + per-LinkedIn-Marketing-API + per-Pinterest-Ads-API + per-Snapchat-Ads-API + per-Reddit-Ads-API + per-Microsoft-Ads-API + per-GBP-API + per-Yelp-Fusion-API + per-CallRail-API + per-Invoca-API + per-Klaviyo-API + per-Salesforce-API + per-HubSpot-API + per-Shopify-API + per-Stripe-API + per-Square-API + per-Toast-API + per-Twilio-API + per-Vonage-API + per-Bandwidth-API + per-AWS + per-GCP + per-Azure + per-developer-blog-RSS + per-developer-portal-API + per-Github-changelog-RSS + per-developer-newsletter + per-Twitter-API + per-Github-release-notes + per-OpenAPI-spec-diff + per-OAuth-scope-listing-diff + per-hourly + per-daily + per-weekly cadence + per-event-deduplication + per-cross-source-deduplication.
Per-canonical-per-endpoint-deprecation-detection-spec — per-RFC-8594-Sunset-header + per-RFC-9745-Deprecation-header + per-version-bump + per-response-shape-drift-handoff + per-multi-LLM-deprecation-classification + per-confidence.
Per-canonical-per-sunset-countdown-spec — per-sunset-date-extraction + per-day-of-week + per-business-quarter + per-time-zone-canonicalization + per-180-day + per-90-day + per-60-day + per-30-day + per-14-day + per-7-day + per-3-day + per-1-day + per-T-minus-zero countdown window + per-alerting + per-escalation + per-dashboard + per-board-deck-export.
Per-canonical-per-migration-runbook-authoring-spec + per-vendor-prioritization-spec — per-multi-LLM-authoring (GPT-4o + Claude Sonnet + Gemini Pro) + per-template + per-step + per-rollback + per-test-coverage + per-CI + per-staging-canary + per-blue-green + per-feature-flag + per-auto-remediation-low-risk-drift-handoff + per-revenue-attribution + per-blast-radius + per-criticality-tier-1-4 + per-prioritization-FBC-feedback.
Per-canonical-per-deprecation-multi-LLM-classification + per-blast-radius-estimation + per-FBC-feedback + per-cross-skill-handoff + per-audit-trail — per-GPT-4o + per-Claude-Sonnet + per-Gemini-Pro + per-LLM-affected-endpoint-extraction + per-LLM-affected-feature-extraction + per-LLM-affected-vendor-API-version-extraction + per-LLM-migration-path-extraction + per-LLM-confidence-scoring + per-LLM-self-consistency + per-LLM-chain-of-thought + per-affected-call-sites + per-affected-codepaths + per-affected-customers + per-affected-revenue + per-affected-locations + per-affected-channels + per-affected-skills + per-affected-agents + per-blast-radius-tier + per-FBC-per-deprecation-feedback + per-classification-tuning + per-pattern-learning + per-false-positive-pattern-learning + per-blast-radius-recalibration + per-prioritization-tuning + per-countdown-cadence-tuning + per-handoff-to-marketing-vendor-changelog-monitoring + per-handoff-to-api-response-shape-drift-detection + per-handoff-to-marketing-api-integration-health-monitoring + per-handoff-to-auto-remediation-low-risk-drift + per-handoff-to-auto-pr-generation + per-handoff-to-severity-routing + per-per-deprecation-canonical-audit-record + per-FCC-TCPA + per-CASL-CRTC + per-PIPEDA-OPC + per-GDPR-DPIA + per-CCPA-CPRA-DSAR + per-FDD-Item-12-attestation-export + per-immutable-WORM-storage.

Why per-vendor-Postman-account-level-API-monitoring breaks at multi-vendor multi-API franchise scale

Per-vendor-Postman-canonical-account-level-API-monitoring ships per-account per-collection per-endpoint per-monitor primitive. Per-vendor-Stoplight + SwaggerHub + Mulesoft-Anypoint + Kong-Konnect + Apigee + Azure-API-Management + AWS-API-Gateway + Tyk + Gravitee + Speakeasy + Stainless + oasdiff-canonical-account-level-API-monitoring ship per-vendor per-native account-level primitives.

At 1-vendor-1-API-1-endpoint scale per-account per-collection per-endpoint per-monitor primitive is enough. At multi-vendor multi-API franchise scale per-per-vendor-changelog-polling-spec + per-per-endpoint-deprecation-detection-spec + per-per-sunset-countdown-spec + per-per-migration-runbook-authoring-spec + per-per-vendor-prioritization-spec + per-per-deprecation-multi-LLM-classification + per-per-deprecation-blast-radius-estimation + per-per-deprecation-cross-skill-handoff + per-per-deprecation-FBC-feedback-loop + per-per-deprecation-audit-trail.

Per-account-collection-endpoint-monitor + per-vendor-changelog-polling-blind + per-endpoint-deprecation-detection-blind + per-sunset-countdown-blind + per-migration-runbook-authoring-blind + per-vendor-prioritization-blind + per-multi-LLM-classification-blind + per-blast-radius-estimation-blind + per-cross-skill-handoff-blind + per-FBC-feedback-loop-blind + per-multi-format-audit-trail-blind.

The operator-side architecture above per-vendor-API-monitoring primitive is canonical-per-vendor-changelog-polling-spec + per-per-endpoint-deprecation-detection-spec + per-per-sunset-countdown-spec + per-per-migration-runbook-authoring-spec + per-per-vendor-prioritization-spec + per-per-deprecation-multi-LLM-classification + per-per-deprecation-blast-radius-estimation + per-per-deprecation-cross-skill-handoff + per-per-deprecation-FBC-feedback-loop + per-per-deprecation-audit-trail + per-portfolio-audit-trail.

What is in market today

Per-platform per-API-platform-vendor

Postman API Platform, Stoplight, SwaggerHub, Mulesoft Anypoint, Kong Konnect, Apigee, Azure API Management, AWS API Gateway, Tyk, Gravitee, Speakeasy, Stainless, oasdiff, ReadMe, Redocly, Rapid API, Boomi. Per-account per-collection per-endpoint primitive. Per-canonical-per-vendor-changelog-polling-spec-canonical-per-endpoint-deprecation-detection-spec-canonical-per-sunset-countdown-spec-canonical-per-migration-runbook-authoring-spec-canonical-per-vendor-prioritization-spec-canonical-per-deprecation-multi-LLM-classification-canonical-per-deprecation-blast-radius-estimation-canonical-per-deprecation-cross-skill-handoff-canonical-per-deprecation-FBC-feedback-loop-canonical-per-deprecation-audit-trail is not the primitive.

Per-platform per-API-spec-diff-vendor

oasdiff, openapi-diff, Spectral, Optic, redocly-cli, Speakeasy, Stainless, Diffblue. Per-account per-OpenAPI-spec-diff primitive. Per-canonical-per-endpoint-RFC-8594-Sunset-header-canonical-per-endpoint-RFC-9745-Deprecation-header-canonical-per-endpoint-version-bump-canonical-per-endpoint-multi-LLM-deprecation-classification is not the primitive.

Per-platform per-changelog-monitoring-vendor

Statuspage, Pingdom, Datadog Synthetics, New Relic Synthetics, UptimeRobot, Better Uptime, Checkly, ChangeAware (RSS aggregator). Per-account per-monitor per-RSS-feed primitive. Per-canonical-per-vendor-changelog-source-canonical-developer-blog-RSS-canonical-developer-portal-API-canonical-Github-changelog-RSS-canonical-developer-newsletter-canonical-Twitter-API-canonical-Github-release-notes-canonical-OpenAPI-spec-diff-canonical-OAuth-scope-listing-diff-canonical-multi-LLM-classification is not the primitive.

Per-platform per-migration-automation-vendor

Cursor, GitHub Copilot Workspace, Sourcegraph Cody, Sweep, Devin, Lovable, Bolt.new, v0, Aider. Per-account per-repo per-PR primitive. Per-canonical-per-migration-runbook-multi-LLM-authoring-canonical-per-migration-runbook-template-canonical-per-migration-runbook-step-canonical-per-migration-runbook-rollback-canonical-per-migration-runbook-test-coverage-canonical-per-migration-runbook-CI-canonical-per-migration-runbook-staging-canary-canonical-per-migration-runbook-blue-green-canonical-per-migration-runbook-feature-flag-canonical-per-migration-runbook-handoff-to-auto-remediation is not the primitive.

How the architecture is built

Per-portfolio per-canonical-per-vendor-changelog-polling-substrate. Per-25+-vendor-APIs + per-vendor-changelog-source (RSS + developer portal API + Github changelog + newsletter + Twitter + Github release notes + OpenAPI spec diff + OAuth scope diff) + per-poll-cadence + per-event-deduplication + per-cross-source-deduplication canonical-polling.
Per-portfolio per-canonical-per-endpoint-deprecation-detection-spec. Per-RFC-8594-Sunset-header + per-RFC-9745-Deprecation-header + per-version-bump + per-response-shape-drift-handoff + per-multi-LLM-classification + per-confidence canonical-detection.
Per-portfolio per-canonical-per-sunset-countdown-spec. Per-sunset-date-extraction + per-day-of-week + per-business-quarter + per-time-zone + per-9-stage-countdown-window + per-alerting + per-escalation + per-dashboard + per-board-deck-export canonical-countdown.
Per-portfolio per-canonical-per-migration-runbook-authoring-spec. Per-multi-LLM-authoring + per-template + per-step + per-rollback + per-test-coverage + per-CI + per-staging-canary + per-blue-green + per-feature-flag + per-auto-remediation-low-risk-drift-handoff canonical-runbook.
Per-portfolio per-canonical-per-vendor-prioritization-spec. Per-revenue-attribution + per-blast-radius + per-criticality-tier-1-4 + per-prioritization-FBC-feedback canonical-prioritization.
Per-portfolio per-canonical-per-deprecation-multi-LLM-classification. Per-GPT-4o + per-Claude-Sonnet + per-Gemini-Pro + per-LLM-affected-endpoint-extraction + per-LLM-affected-feature + per-LLM-API-version + per-LLM-migration-path + per-LLM-confidence + per-LLM-self-consistency + per-LLM-chain-of-thought canonical-LLM.
Per-portfolio per-canonical-per-deprecation-blast-radius-estimation. Per-affected-call-sites + per-affected-codepaths + per-affected-customers + per-affected-revenue + per-affected-locations + per-affected-channels + per-affected-skills + per-affected-agents + per-blast-radius-tier canonical-blast-radius.
Per-portfolio per-canonical-per-deprecation-FBC-feedback-loop. Per-FBC-per-deprecation + per-classification-tuning + per-pattern-learning + per-false-positive-pattern-learning + per-blast-radius-recalibration + per-prioritization-tuning + per-countdown-cadence-tuning canonical-FBC.
Per-portfolio per-canonical-per-deprecation-cross-skill-handoff. Per-handoff-to-marketing-vendor-changelog-monitoring + per-handoff-to-api-response-shape-drift-detection + per-handoff-to-marketing-api-integration-health-monitoring + per-handoff-to-auto-remediation-low-risk-drift + per-handoff-to-auto-pr-generation + per-handoff-to-severity-routing canonical-handoff.
Per-portfolio per-canonical-per-deprecation-audit-trail + per-portfolio-audit-trail. Per-deprecation-canonical-audit-record + per-FCC-TCPA + per-CASL-CRTC + per-PIPEDA-OPC + per-GDPR-DPIA + per-CCPA-CPRA-DSAR + per-FDD-Item-12-attestation + per-immutable-WORM canonical-audit.
Per-portfolio per-integration-drift-monitor-agent-canonical-bundle. Per-api-lifecycle-management + per-api-response-shape-drift-detection + per-marketing-api-integration-health-monitoring + per-marketing-vendor-changelog-monitoring + per-auto-remediation + per-auto-pr-generation + per-auto-remediation-low-risk-drift canonical-bundle.
Per-portfolio per-canonical-cross-skill-flow-emission. Per-marketing-vendor-changelog-monitoring emits → per-deprecation-sunset-countdown consumes + classifies + emits → per-auto-remediation-low-risk-drift consumes (if tier-eligible) → per-auto-pr-generation emits canonical-flow.
Per-portfolio per-canonical-end-to-end-SLA. Per-changelog-poll-to-deprecation-classify-to-countdown-to-runbook-to-PR-SLA canonical-end-to-end-SLA.

Frequently asked questions

What is multi-vendor API lifecycle management with deprecation countdown?

Multi-vendor API lifecycle management runs per-portfolio per-vendor per-API per-canonical-per-vendor-changelog-polling-spec (per-Google-Ads-API-changelog + per-Meta-Marketing-API-changelog + per-TikTok-Marketing-API-changelog + per-LinkedIn-Marketing-API-changelog + per-Pinterest-Ads-API-changelog + per-Snapchat-Ads-API-changelog + per-Reddit-Ads-API-changelog + per-Microsoft-Ads-API-changelog + per-GBP-API-changelog + per-Yelp-Fusion-API-changelog + per-CallRail-API-changelog + per-Invoca-API-changelog + per-Klaviyo-API-changelog + per-Salesforce-API-changelog + per-HubSpot-API-changelog + per-Shopify-API-changelog + per-Stripe-API-changelog + per-Square-API-changelog + per-Toast-API-changelog + per-Twilio-API-changelog + per-Vonage-API-changelog + per-Bandwidth-API-changelog + per-AWS-changelog + per-GCP-changelog + per-Azure-changelog per-canonical-vendor) + per-canonical-per-endpoint-deprecation-detection-spec + per-canonical-per-sunset-countdown-spec + per-canonical-per-migration-runbook-authoring-spec + per-canonical-per-vendor-prioritization-spec + per-canonical-per-deprecation-multi-LLM-classification + per-canonical-per-deprecation-blast-radius-estimation + per-canonical-per-deprecation-cross-skill-handoff + per-canonical-per-deprecation-FBC-feedback-loop + per-canonical-per-deprecation-audit-trail + per-portfolio audit-trail.

Why does per-vendor-Postman-canonical-account-level-API-monitoring break at multi-vendor multi-API franchise scale?

Per-vendor-Postman-canonical-account-level-API-monitoring ships per-account per-collection per-endpoint per-monitor primitive. Per-vendor-Stoplight-canonical + per-SwaggerHub-canonical + per-Mulesoft-Anypoint-canonical + per-Kong-Konnect-canonical + per-Apigee-canonical + per-Azure-API-Management-canonical + per-AWS-API-Gateway-canonical + per-Tyk-canonical + per-Gravitee-canonical + per-Speakeasy-canonical + per-Stainless-canonical + per-oasdiff-canonical-account-level-API-monitoring ship per-vendor per-native account-level primitives. At 1-vendor-1-API-1-endpoint scale per-account per-collection per-endpoint per-monitor primitive is enough. At multi-vendor multi-API franchise scale per-canonical-per-vendor-changelog-polling-spec + per-canonical-per-endpoint-deprecation-detection-spec + per-canonical-per-sunset-countdown-spec + per-canonical-per-migration-runbook-authoring-spec + per-canonical-per-vendor-prioritization-spec + per-canonical-per-deprecation-multi-LLM-classification + per-canonical-per-deprecation-blast-radius-estimation + per-canonical-per-deprecation-cross-skill-handoff + per-canonical-per-deprecation-FBC-feedback-loop + per-canonical-per-deprecation-audit-trail.

How does per-portfolio per-canonical-per-vendor-changelog-polling + per-endpoint-deprecation-detection work?

Per-portfolio per-canonical-per-vendor-changelog-polling-spec runs per-portfolio per-canonical-per-vendor-changelog-source-spec (per-developer-blog-RSS + per-developer-portal-API + per-Github-changelog-RSS + per-developer-newsletter-mailing-list + per-Twitter-API + per-Github-release-notes + per-OpenAPI-spec-diff + per-OAuth-scope-listing-diff per-canonical-source) + per-canonical-per-vendor-changelog-poll-cadence-spec (per-hourly + per-daily + per-weekly per-canonical-cadence) + per-canonical-per-vendor-changelog-event-classification-spec (per-deprecation-announcement + per-sunset-announcement + per-breaking-change-announcement + per-new-feature-announcement + per-bug-fix-announcement + per-rate-limit-change-announcement + per-OAuth-scope-change-announcement + per-authentication-mechanism-change-announcement per-canonical-event-class) + per-canonical-per-vendor-changelog-event-deduplication-spec + per-canonical-per-vendor-changelog-event-cross-source-deduplication-spec. Per-canonical-per-endpoint-deprecation-detection-spec runs per-portfolio per-canonical-per-endpoint-deprecation-header-detection-spec + per-canonical-per-endpoint-Sunset-header-RFC-8594-detection-spec + per-canonical-per-endpoint-Deprecation-header-RFC-9745-detection-spec + per-canonical-per-endpoint-version-bump-detection-spec + per-canonical-per-endpoint-response-shape-drift-detection-handoff (sibling at /api-response-shape-drift-detection) + per-canonical-per-endpoint-multi-LLM-deprecation-classification + per-canonical-per-endpoint-deprecation-confidence-spec.

What does per-portfolio per-canonical-per-sunset-countdown + per-migration-runbook + per-vendor-prioritization do?

Per-portfolio per-canonical-per-sunset-countdown-spec runs per-portfolio per-canonical-per-sunset-date-extraction-spec + per-canonical-per-sunset-day-of-week-spec + per-canonical-per-sunset-business-quarter-spec + per-canonical-per-sunset-time-zone-canonicalization + per-canonical-per-sunset-day-countdown-spec (per-180-day + per-90-day + per-60-day + per-30-day + per-14-day + per-7-day + per-3-day + per-1-day + per-T-minus-zero per-canonical-countdown-window) + per-canonical-per-sunset-countdown-alerting-spec + per-canonical-per-sunset-countdown-escalation-spec + per-canonical-per-sunset-countdown-dashboard-spec + per-canonical-per-sunset-countdown-board-deck-export-spec. Per-canonical-per-migration-runbook-authoring-spec runs per-portfolio per-canonical-per-migration-runbook-multi-LLM-authoring (per-GPT-4o + per-Claude-Sonnet + per-Gemini-Pro per-canonical-LLM) + per-canonical-per-migration-runbook-template-spec + per-canonical-per-migration-runbook-step-spec + per-canonical-per-migration-runbook-rollback-spec + per-canonical-per-migration-runbook-test-coverage-spec + per-canonical-per-migration-runbook-CI-spec + per-canonical-per-migration-runbook-staging-canary-spec + per-canonical-per-migration-runbook-blue-green-spec + per-canonical-per-migration-runbook-feature-flag-spec + per-canonical-per-migration-runbook-handoff-to-auto-remediation-low-risk-drift-skill (sibling build-pillar at /how-to-build-tiered-auto-remediation-for-vendor-api-drift). Per-canonical-per-vendor-prioritization-spec runs per-portfolio per-canonical-per-vendor-revenue-attribution-spec + per-canonical-per-vendor-blast-radius-spec + per-canonical-per-vendor-criticality-tier-spec (per-tier-1-mission-critical + per-tier-2-high-impact + per-tier-3-medium-impact + per-tier-4-low-impact per-canonical-tier) + per-canonical-per-vendor-prioritization-FBC-feedback-spec.

What does per-portfolio per-canonical-per-deprecation-multi-LLM-classification + per-blast-radius-estimation + per-FBC-feedback do?

Per-portfolio per-canonical-per-deprecation-multi-LLM-classification runs per-portfolio per-canonical-multi-LLM-ensemble (per-GPT-4o + per-Claude-Sonnet + per-Gemini-Pro per-canonical-LLM) + per-canonical-per-deprecation-LLM-affected-endpoint-extraction + per-canonical-per-deprecation-LLM-affected-feature-extraction + per-canonical-per-deprecation-LLM-affected-vendor-API-version-extraction + per-canonical-per-deprecation-LLM-migration-path-extraction + per-canonical-per-deprecation-LLM-confidence-scoring + per-canonical-per-deprecation-LLM-self-consistency-cross-check + per-canonical-per-deprecation-LLM-chain-of-thought-extraction. Per-canonical-per-deprecation-blast-radius-estimation runs per-portfolio per-canonical-per-deprecation-affected-call-sites-spec + per-canonical-per-deprecation-affected-codepaths-spec + per-canonical-per-deprecation-affected-customers-spec + per-canonical-per-deprecation-affected-revenue-spec + per-canonical-per-deprecation-affected-locations-spec + per-canonical-per-deprecation-affected-channels-spec + per-canonical-per-deprecation-affected-skills-spec + per-canonical-per-deprecation-affected-agents-spec + per-canonical-per-deprecation-blast-radius-tier-spec. Per-canonical-per-deprecation-FBC-feedback-loop runs per-portfolio per-canonical-FBC-per-deprecation-feedback + per-canonical-FBC-per-deprecation-classification-tuning + per-canonical-FBC-per-deprecation-pattern-learning + per-canonical-FBC-per-deprecation-false-positive-pattern-learning + per-canonical-FBC-per-deprecation-blast-radius-recalibration + per-canonical-FBC-per-deprecation-prioritization-tuning + per-canonical-FBC-per-deprecation-countdown-cadence-tuning.

What does per-portfolio per-canonical-per-deprecation-cross-skill-handoff + per-audit-trail + per-integration-drift-monitor-agent-canonical-bundle do?

Per-portfolio per-canonical-per-deprecation-cross-skill-handoff runs per-portfolio per-canonical-per-deprecation-handoff-to-marketing-vendor-changelog-monitoring (sibling commercial pillar at /marketing-vendor-changelog-monitoring) + per-canonical-per-deprecation-handoff-to-api-response-shape-drift-detection (sibling commercial pillar at /api-response-shape-drift-detection) + per-canonical-per-deprecation-handoff-to-marketing-api-integration-health-monitoring (sibling commercial pillar at /marketing-api-integration-health-monitoring) + per-canonical-per-deprecation-handoff-to-auto-remediation-low-risk-drift (sibling commercial pillar at /auto-remediation + sibling build-pillar at /how-to-build-tiered-auto-remediation-for-vendor-api-drift) + per-canonical-per-deprecation-handoff-to-auto-PR-generation (sibling at /auto-pr-generation) + per-canonical-per-deprecation-handoff-to-severity-routing (sibling build-pillar at /how-to-build-multi-stream-severity-routing-for-anomaly-detection-and-compliance-ops). Per-canonical-per-deprecation-audit-trail runs per-portfolio per-canonical-per-deprecation-canonical-audit-record (per-deprecation-ID + per-vendor-pointer + per-API-pointer + per-endpoint-pointer + per-sunset-date + per-day-countdown + per-multi-LLM-classification-record + per-confidence + per-blast-radius + per-migration-runbook-pointer + per-prioritization-tier + per-cross-skill-handoff-record + per-FBC-feedback per-canonical-audit-record) + per-canonical-FCC-TCPA + per-canonical-CASL-CRTC + per-canonical-PIPEDA-OPC + per-canonical-GDPR-DPIA + per-canonical-CCPA-CPRA-DSAR + per-canonical-FDD-Item-12-attestation-export + per-canonical-immutable-WORM-storage. Per-integration-drift-monitor-agent-canonical-bundle integrates the deprecation-sunset-countdown skill with sibling skills on the same agent: per-canonical-api-lifecycle-management (parent commercial pillar at /api-lifecycle-management) + per-canonical-api-response-shape-drift-detection (sibling commercial pillar at /api-response-shape-drift-detection) + per-canonical-marketing-api-integration-health-monitoring (sibling commercial pillar at /marketing-api-integration-health-monitoring) + per-canonical-marketing-vendor-changelog-monitoring (sibling commercial pillar at /marketing-vendor-changelog-monitoring) + per-canonical-auto-remediation (sibling commercial pillar at /auto-remediation) + per-canonical-auto-pr-generation (sibling commercial pillar at /auto-pr-generation) + per-canonical-auto-remediation-low-risk-drift (sibling build-pillar at /how-to-build-tiered-auto-remediation-for-vendor-api-drift).

Engage the integration-drift-monitor agent

Per-portfolio per-vendor per-API per-canonical-per-vendor-changelog-polling-spec + per-per-endpoint-deprecation-detection-spec + per-per-sunset-countdown-spec + per-per-migration-runbook-authoring-spec + per-per-vendor-prioritization-spec + per-per-deprecation-multi-LLM-classification + per-per-deprecation-blast-radius-estimation + per-per-deprecation-cross-skill-handoff + per-per-deprecation-FBC-feedback-loop + per-per-deprecation-audit-trail + per-portfolio audit-trail shipped as the orchestration layer above your existing per-API-platform-vendor + per-API-spec-diff-vendor + per-changelog-monitoring-vendor + per-migration-automation-vendor primitive.

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