Anthropic Knowledge Hub

Delete a memory ​

delete /v1/memory_stores/{memory_store_id}/memories/{memory_id}

Delete a memory

Path Parameters ​

  • memory_store_id: string

  • memory_id: string

Query Parameters ​

  • expected_content_sha256: optional string

    Query parameter for expected_content_sha256

Header Parameters ​

  • "anthropic-beta": optional array of AnthropicBeta

    Optional header to specify the beta version(s) you want to use.

    • string

    • "message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 22 more

      • "message-batches-2024-09-24"

      • "prompt-caching-2024-07-31"

      • "computer-use-2024-10-22"

      • "computer-use-2025-01-24"

      • "pdfs-2024-09-25"

      • "token-counting-2024-11-01"

      • "token-efficient-tools-2025-02-19"

      • "output-128k-2025-02-19"

      • "files-api-2025-04-14"

      • "mcp-client-2025-04-04"

      • "mcp-client-2025-11-20"

      • "dev-full-thinking-2025-05-14"

      • "interleaved-thinking-2025-05-14"

      • "code-execution-2025-05-22"

      • "extended-cache-ttl-2025-04-11"

      • "context-1m-2025-08-07"

      • "context-management-2025-06-27"

      • "model-context-window-exceeded-2025-08-26"

      • "skills-2025-10-02"

      • "fast-mode-2026-02-01"

      • "output-300k-2026-03-24"

      • "user-profiles-2026-03-24"

      • "advisor-tool-2026-03-01"

      • "managed-agents-2026-04-01"

      • "cache-diagnosis-2026-04-07"

Returns ​

  • BetaManagedAgentsDeletedMemory object { id, type }

    Tombstone returned by Delete a memory. The memory's version history persists and remains listable via List memory versions until the store itself is deleted.

    • id: string

      ID of the deleted memory (a mem_... value).

    • type: "memory_deleted"

      • "memory_deleted"

Example ​

http
curl https://api.anthropic.com/v1/memory_stores/$MEMORY_STORE_ID/memories/$MEMORY_ID \
    -X DELETE \
    -H 'anthropic-version: 2023-06-01' \
    -H 'anthropic-beta: managed-agents-2026-04-01' \
    -H "X-Api-Key: $ANTHROPIC_API_KEY"

Response ​

json
{
  "id": "id",
  "type": "memory_deleted"
}