> ## Documentation Index > Fetch the complete documentation index at: https://docs.crossmint.com/llms.txt > Use this file to discover all available pages before exploring further. # List Agent Checkout Messages ## OpenAPI ````yaml get /unstable/agent-checkouts/{id}/messages openapi: 3.0.0 info: contact: email: support@crossmint.com name: Crossmint Support url: https://www.crossmint.com description: Crossmint Agents API title: Crossmint Agents API version: 1.0.0 servers: - description: Staging environment (testnets) url: https://staging.crossmint.com/api - description: Production environment (mainnets) url: https://www.crossmint.com/api security: [] tags: [] paths: /unstable/agent-checkouts/{id}/messages: get: tags: - Agent Checkouts summary: List Agent Checkout Messages operationId: AgentCheckoutsController-listMessages-2 parameters: - description: >- Server-side subject to act on behalf of. Ignored for client-side user auth. in: header name: x-crossmint-user-id required: false schema: type: string - description: Bearer token for client-side user auth. in: header name: Authorization required: false schema: type: string - description: Crossmint project API key. in: header name: X-API-KEY required: true schema: type: string - in: path name: id required: true schema: minLength: 1 type: string - in: query name: cursor required: false schema: minLength: 1 type: string - in: query name: limit required: false schema: default: 50 maximum: 100 minimum: 1 type: integer responses: '200': content: application/json: schema: $ref: '#/components/schemas/AgentCheckoutMessageListResponseDTO' description: '' components: schemas: AgentCheckoutMessageListResponseDTO: properties: data: items: properties: createdAt: allOf: - pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ - pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ type: string id: minLength: 1 type: string parts: items: anyOf: - anyOf: - properties: action: enum: - alternative type: string requestId: minLength: 1 type: string text: minLength: 1 type: string type: enum: - input_response type: string required: - action - requestId - text - type type: object - properties: action: enum: - decline type: string requestId: minLength: 1 type: string type: enum: - input_response type: string required: - action - requestId - type type: object - properties: action: enum: - submit type: string requestId: minLength: 1 type: string response: properties: fields: items: properties: answer: enum: - omitted - provided type: string application: enum: - already_satisfied - not_attempted - unresolved - verified type: string key: minLength: 1 type: string label: minLength: 1 type: string required: - answer - application - key - label type: object type: array kind: enum: - form type: string required: - fields - kind type: object type: enum: - input_response type: string required: - action - requestId - response - type type: object - properties: code: enum: - merchant.access_blocked - merchant.checkout_error - merchant.fulfillment_unavailable - merchant.human_verification_required - merchant.no_safe_path - merchant.payment_declined - policy.max_cost_exceeded - product.item_unavailable - product.requested_option_unavailable type: string outcome: enum: - blocked type: string summary: maxLength: 2000 minLength: 1 type: string type: enum: - result type: string required: - code - outcome - summary - type type: object - properties: delivery: enum: - accepted - consumed type: string text: maxLength: 20000 minLength: 1 type: string type: enum: - text type: string required: - text - type type: object - properties: expiresAt: allOf: - pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ - pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ type: string interaction: properties: kind: enum: - form type: string responseSchema: additionalProperties: true type: object uiSchema: additionalProperties: true type: object required: - kind - responseSchema - uiSchema type: object question: minLength: 1 type: string requestId: minLength: 1 type: string status: enum: - closed - open type: string type: enum: - input_request type: string required: - expiresAt - interaction - question - requestId - status - type type: object - properties: operations: items: properties: count: maximum: 9007199254740991 minimum: -9007199254740991 type: integer kind: enum: - apply_buyer_information - cdp - click - evaluate - fill - inspect - navigate - observe - press - read_playbook - scroll - select - wait type: string required: - count - kind type: object type: array status: enum: - completed - incomplete - running - uncertain type: string type: enum: - activity type: string required: - operations - status - type type: object - properties: outcome: enum: - cancelled type: string summary: maxLength: 2000 minLength: 1 type: string type: enum: - result type: string required: - outcome - summary - type type: object - properties: outcome: enum: - failed type: string summary: maxLength: 2000 minLength: 1 type: string type: enum: - result type: string required: - outcome - summary - type type: object - properties: outcome: enum: - succeeded type: string purchase: anyOf: - properties: kind: enum: - confirmed_without_receipt type: string required: - kind type: object - properties: kind: enum: - receipt_captured type: string receipt: properties: merchantOrderId: maxLength: 500 minLength: 1 type: string total: properties: amount: pattern: ^(?:0|[1-9]\d{0,14})(?:\.\d{1,6})?$ type: string currency: pattern: ^[A-Z]{3}$ type: string required: - amount - currency type: object required: - total type: object required: - kind - receipt type: object summary: maxLength: 2000 minLength: 1 type: string type: enum: - result type: string required: - outcome - purchase - summary - type type: object - properties: text: maxLength: 240 minLength: 1 type: string type: enum: - progress type: string required: - text - type type: object minItems: 1 type: array revision: maximum: 9007199254740991 minimum: -9007199254740991 type: integer role: enum: - assistant - user type: string required: - createdAt - id - parts - revision - role type: object type: array nextCursor: minLength: 1 nullable: true type: string streamCursor: minLength: 1 type: string required: - data - nextCursor - streamCursor type: object ````