mem0ai/mem0 · error · Error

vectorSearchApiEndpoint is required for get operation

Error message

vectorSearchApiEndpoint is required for get operation

What it means

Error "vectorSearchApiEndpoint is required for get operation" thrown in mem0ai/mem0.

Source

Thrown at mem0-ts/src/oss/src/vector_stores/vertex_ai_vector_search.ts:204

            }
          }
        }

        const score =
          neighbor.distance !== undefined
            ? Math.max(0.0, 1.0 - neighbor.distance)
            : undefined;
        return {
          id: neighbor.datapoint.datapointId,
          payload,
          score,
        };
      });
  }

  async get(vectorId: string): Promise<VectorStoreResult | null> {
    if (!this.config.vectorSearchApiEndpoint) {
      throw new Error("vectorSearchApiEndpoint is required for get operation");
    }
    await this.initialize();

    const request = {
      indexEndpoint: this.indexEndpointPath,
      deployedIndexId: this.config.deploymentIndexId,
      queries: [
        {
          datapoint: {
            datapointId: vectorId,
          },
          neighborCount: 1,
        },
      ],
      returnFullDatapoint: true,
    };

    const [response] = await this.matchClient.findNeighbors(request);

View on GitHub (pinned to 001c235229)

Solutions

1. Set vectorSearchApiEndpoint in the Vertex AI Vector Search config before calling get.
2. Deploy the index endpoint and use its endpoint domain as vectorSearchApiEndpoint.

When it happens

Trigger: Thrown at mem0-ts/src/oss/src/vector_stores/vertex_ai_vector_search.ts:204 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of mem0ai/mem0@001c235229 (2026-08-15). Data as JSON: /api/errors/3be1c335f8a0749d. Report an issue: GitHub.