generated: '2026-07-15' method: generated source: openapi/signal-server-openapi.yml description: Recommended x-agentic-access execution contracts, classified heuristically from the OpenAPI. A governance starting point for exposing this API to AI agents — review and bind audience per deployment. See research/curity/agentic-governance/. summary: operations: 18 by_action_class: acting: 9 connected: 9 by_consequence: write: 8 read: 9 physical: 1 human_in_the_loop_required: 0 operations: - path: /v1/registration method: post operationId: registerAccount x-agentic-access: action-class: acting consequence: write subject: required audience: null token: max-ttl: 900 escalation: human-in-the-loop: conditional triggers: - abnormal - high-value audit: required - path: /v1/accounts/whoami method: get operationId: getAccountIdentity x-agentic-access: action-class: connected consequence: read subject: optional token: max-ttl: 3600 audit: none - path: /v1/accounts/attributes method: put operationId: setAccountAttributes x-agentic-access: action-class: acting consequence: write subject: required audience: null token: max-ttl: 900 escalation: human-in-the-loop: conditional triggers: - abnormal - high-value audit: required - path: /v1/accounts/username_hash/{usernameHash} method: put operationId: confirmUsernameHash x-agentic-access: action-class: acting consequence: write subject: required audience: null token: max-ttl: 900 escalation: human-in-the-loop: conditional triggers: - abnormal - high-value audit: required - path: /v1/accounts/username_hash/{usernameHash} method: get operationId: lookupUsernameHash x-agentic-access: action-class: connected consequence: read subject: optional token: max-ttl: 3600 audit: none - path: /v1/accounts/number method: put operationId: changeNumber x-agentic-access: action-class: acting consequence: write subject: required audience: null token: max-ttl: 900 escalation: human-in-the-loop: conditional triggers: - abnormal - high-value audit: required - path: /v1/devices method: get operationId: listDevices x-agentic-access: action-class: connected consequence: read subject: optional token: max-ttl: 3600 audit: none - path: /v1/devices/link method: put operationId: linkDevice x-agentic-access: action-class: acting consequence: write subject: required audience: null token: max-ttl: 900 escalation: human-in-the-loop: conditional triggers: - abnormal - high-value audit: required - path: /v1/devices/{deviceId} method: delete operationId: removeDevice x-agentic-access: action-class: acting consequence: write subject: required audience: null token: max-ttl: 900 escalation: human-in-the-loop: conditional triggers: - abnormal - high-value audit: required - path: /v1/messages/{destinationUuid} method: put operationId: sendMessage x-agentic-access: action-class: acting consequence: physical subject: required audience: null token: max-ttl: 300 exchange: true purpose-required: true escalation: human-in-the-loop: conditional triggers: - abnormal - high-value audit: required - path: /v2/keys method: get operationId: getPreKeyCount x-agentic-access: action-class: connected consequence: read subject: optional token: max-ttl: 3600 audit: none - path: /v2/keys method: put operationId: setKeys x-agentic-access: action-class: acting consequence: write subject: required audience: null token: max-ttl: 900 escalation: human-in-the-loop: conditional triggers: - abnormal - high-value audit: required - path: /v2/keys/{identifier}/{deviceId} method: get operationId: getDeviceKeys x-agentic-access: action-class: connected consequence: read subject: optional token: max-ttl: 3600 audit: none - path: /v1/profile/{identifier} method: get operationId: getProfile x-agentic-access: action-class: connected consequence: read subject: optional token: max-ttl: 3600 audit: none - path: /v1/profile method: put operationId: setProfile x-agentic-access: action-class: acting consequence: write subject: required audience: null token: max-ttl: 900 escalation: human-in-the-loop: conditional triggers: - abnormal - high-value audit: required - path: /v4/attachments/form/upload method: get operationId: getAttachmentUploadForm x-agentic-access: action-class: connected consequence: read subject: optional token: max-ttl: 3600 audit: none - path: /v1/sticker/pack/form/{packSize} method: get operationId: getStickerPackUploadForm x-agentic-access: action-class: connected consequence: read subject: optional token: max-ttl: 3600 audit: none - path: /v1/certificate/delivery method: get operationId: getDeliveryCertificate x-agentic-access: action-class: connected consequence: read subject: optional token: max-ttl: 3600 audit: none