# Call2Me Knowledge Base API

**Canonical:** https://apis.io/apis/call2me-app/call2me-app-knowledge-base-api/  
**Provider:** Call2Me — https://apis.io/providers/call2me-app/  
**Base URL:** https://api.call2me.app  
**Documentation:** https://call2me.app/docs/api-reference/

Call2Me Knowledge Base API is one of 43 APIs that [Call2Me](https://apis.io/providers/call2me-app/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Knowledge Base. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

Upload documents (PDF, DOCX, TXT, MD) and URLs to give an agent domain-specific context. Vector search via pgvector + OpenAI embeddings; agents retrieve relevant chunks during conversation to answer factually. Reduces hallucination for product/policy/FAQ Q&A.

## Operations (9)

| Method | Path | Summary |
|---|---|---|
| POST | `/v1/knowledge-base/upload` | Create Knowledge Base with Files |
| POST | `/v1/knowledge-base` | Create Knowledge Base |
| GET | `/v1/knowledge-base` | List Knowledge Bases |
| GET | `/v1/knowledge-base/{knowledge_base_id}` | Get Knowledge Base |
| DELETE | `/v1/knowledge-base/{knowledge_base_id}` | Delete Knowledge Base |
| POST | `/v1/knowledge-base/{knowledge_base_id}/add-sources` | Add Knowledge Base Sources |
| POST | `/v1/knowledge-base/{knowledge_base_id}/upload` | Upload Documents |
| DELETE | `/v1/knowledge-base/{knowledge_base_id}/source/{source_id}` | Delete Knowledge Base Source |
| POST | `/v1/knowledge-base/{knowledge_base_id}/query` | Query Knowledge Base |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/call2me-app/openapi/call2me-app-knowledge-base-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/call2me-app/json-schema/call2me-app-agent-schema.json
- **JSONSchema** — https://artifacts.apis.io/call2me-app/json-schema/call2me-app-create-agent-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/call2me-app/json-schema/call2me-app-update-agent-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/call2me-app/json-schema/call2me-app-call-schema.json
- **JSONSchema** — https://artifacts.apis.io/call2me-app/json-schema/call2me-app-user-profile-schema.json
- **JSONSchema** — https://artifacts.apis.io/call2me-app/json-schema/call2me-app-call2me-core-models-call-create-call-request-schema.json

## Other Call2Me APIs (12)

- [Call2Me Agent Wizard API](https://apis.io/apis/call2me-app/call2me-app-agent-wizard-api/)
- [Call2Me Agents API](https://apis.io/apis/call2me-app/call2me-app-agents-api/)
- [Call2Me API Keys API](https://apis.io/apis/call2me-app/call2me-app-api-keys-api/)
- [Call2Me Audio API](https://apis.io/apis/call2me-app/call2me-app-audio-api/)
- [Call2Me Authentication API](https://apis.io/apis/call2me-app/call2me-app-authentication-api/)
- [Call2Me Calls API](https://apis.io/apis/call2me-app/call2me-app-calls-api/)
- [Call2Me Chats API](https://apis.io/apis/call2me-app/call2me-app-chats-api/)
- [Call2Me Contact API](https://apis.io/apis/call2me-app/call2me-app-contact-api/)
- [Call2Me Copilot API](https://apis.io/apis/call2me-app/call2me-app-copilot-api/)
- [Call2Me Demo API](https://apis.io/apis/call2me-app/call2me-app-demo-api/)
- [Call2Me Demo Numbers API](https://apis.io/apis/call2me-app/call2me-app-demo-numbers-api/)
- [Call2Me End Users API](https://apis.io/apis/call2me-app/call2me-app-end-users-api/)

## Tags

Knowledge Base

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/call2me-app/call2me-app-knowledge-base-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/call2me-app/.