---
title: "Create Mappings"
method: POST
path: "/api/v3/crm/{integration_id}/mappings"
tags: ["CRM Mappings"]
---

# Create Mappings

`POST /api/v3/crm/{integration_id}/mappings`

Create mappings between CRM records and NationGraph institutions.

**Single Mapping Format:**
```json
{
  "company_id": "123456",
  "institution_id": "inst_abc"
}
```

**Bulk Mappings Format:**
```json
{
  "mappings": [
    {"crm_id": "123456", "institution_id": "inst_abc"},
    {"crm_id": "789012", "institution_id": "inst_xyz"}
  ]
}
```

**Response:** Returns 202 Accepted immediately. Mappings are created in the background.

## Path parameters

- `integration_id` string, uuid, required — The CRM integration ID

## Request body

- object

## Response `202`

Successful Response

- BulkCreateAcceptedResponse — Response for accepted bulk mapping creation (202).
  - `status` string
  - `total` integer, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/nationgraph/apis/nationgraph-api.md) · [All operations](https://skmtc.net/nationgraph/apis/nationgraph-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/nationgraph/nationgraph-api/revisions/85804e68d86d/schema)