# HubSpot CRM Deal Splits API

**Canonical:** https://apis.io/apis/hubspot/hubspot-crm-deal-splits-api/  
**Provider:** HubSpot — https://apis.io/providers/hubspot/  
**Base URL:** https://api.hubapi.com  
**Documentation:** https://developers.hubspot.com/docs/api-reference/latest/crm/objects/deal-splits/guide

HubSpot CRM Deal Splits API is one of 144 APIs that [HubSpot](https://apis.io/providers/hubspot/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 692 JSON Schema definitions. Tagged areas include CRM, Deal, and Splits. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, code examples, and 692 JSON Schemas.

HubSpot CRM Deal Splits — 2 operation(s) from HubSpot's published OpenAPI.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| POST | `/deal-splits/2026-09/batch/read` | Read a batch of deal split objects by their associated deal object internal ID |
| POST | `/deal-splits/2026-09/batch/upsert` | Create or replace deal splits for deals with the provided IDs. Deal split percentages for each deal must sum up to 1.0 (100%) and may have up to 8 decimal pl... |

## Machine-readable artifacts (1066)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/openapi/hubspot-crm-deal-splits-api-openapi.yml
- **Documentation** — https://developers.hubspot.com/docs/api/cms/domains
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/domains-api-domain-collection-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/domains-api-domain-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/domains-api-forward-paging-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/domains-api-next-page-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/domains-api-domain-collection-response-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/domains-api-domain-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/domains-api-forward-paging-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/domains-api-next-page-structure.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/domains-api-domain-collection-response-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/domains-api-domain-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/domains-api-forward-paging-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/domains-api-next-page-example.json
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/graphql/hubspot-graphql.md
- **Documentation** — https://developers.hubspot.com/docs/api/cms/source-code
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-action-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-asset-file-metadata-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-file-extract-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-file-upload-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-task-locator-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-validation-error-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-validation-result-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-schema/source-code-api-validation-warning-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-action-response-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-asset-file-metadata-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-file-extract-request-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-file-upload-request-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-task-locator-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-validation-error-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-validation-result-structure.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/source-code-api-validation-warning-structure.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-action-response-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-asset-file-metadata-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-file-extract-request-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-file-upload-request-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-task-locator-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-validation-error-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-validation-result-example.json
- **CodeExamples** — https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/examples/source-code-api-validation-warning-example.json
- …and 1026 more, listed in full on the page.

## Other HubSpot APIs (12)

- [HubSpot URL Redirects API](https://apis.io/apis/hubspot/hubspot-url-redirects-api/)
- [HubSpot Pipelines API](https://apis.io/apis/hubspot/hubspot-pipelines-api/)
- [HubSpot Products API](https://apis.io/apis/hubspot/hubspot-products-api/)
- [HubSpot Line Items API](https://apis.io/apis/hubspot/hubspot-line-items-api/)
- [HubSpot Quotes API](https://apis.io/apis/hubspot/hubspot-quotes-api/)
- [HubSpot CRM Properties API](https://apis.io/apis/hubspot/hubspot-crm-properties-api/)
- [HubSpot Owners API](https://apis.io/apis/hubspot/hubspot-owners-api/)
- [HubSpot CRM Imports API](https://apis.io/apis/hubspot/hubspot-crm-imports-api/)
- [HubSpot Custom Objects API](https://apis.io/apis/hubspot/hubspot-custom-objects-api/)
- [HubSpot Marketing Events API](https://apis.io/apis/hubspot/hubspot-marketing-events-api/)
- [HubSpot Forms API](https://apis.io/apis/hubspot/hubspot-forms-api/)
- [HubSpot Workflows API](https://apis.io/apis/hubspot/hubspot-workflows-api/)

## Tags

CRM, Deal, Splits

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