# Chemaxon Amendment API

**Canonical:** https://apis.io/apis/chemaxon/chemaxon-amendment-api/  
**Provider:** Chemaxon — https://apis.io/providers/chemaxon/  
**Base URL:** https://jchem-microservices.chemaxon.com/jws-calculations  
**Documentation:** https://jchem-microservices.chemaxon.com/jws-calculations/api/index.html

Chemaxon Amendment API is one of 40 APIs that [Chemaxon](https://apis.io/providers/chemaxon/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 1 JSON Schema definition. Tagged areas include Amendment. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 1 JSON Schema.

Amendment related operations

## Operations (17)

| Method | Path | Summary |
|---|---|---|
| POST | `/amendmentService/validate` | Validates a structure for amendment |
| POST | `/amendmentService/renameLnbRef` | Updates LnbRef of the specified structure |
| POST | `/amendmentService/prevalidate` | Prevalidates a structure for amendment |
| POST | `/amendmentService/matches` | Collects available matching structures for amendment based on the provided… |
| POST | `/amendmentService/hardDeleteId` | Hard delete id |
| POST | `/amendmentService/fetchOriginalId` | Fetches the first id ever assigned to a given lot id list |
| POST | `/amendmentService/deleteId` | Removes a registered structure |
| POST | `/amendmentService/deleteData` | Removes additional data of a registered structure |
| POST | `/amendmentService/bulkRegenerateFields` | Regenerates additional data for all compounds |
| POST | `/amendmentService/bulkRegenerateFieldsForIds` | Regenerates additional data for a list of ids |
| POST | `/amendmentService/amend` | Executes amendment of a registered structure |
| POST | `/amendmentService/amendStructure` | Executes amendment of a registered structure controlled by match options |
| POST | `/amendmentService/amendData` | Updates additional data |
| GET | `/amendmentService/tree` | Collects registration structure tree based on an identifier |
| GET | `/amendmentService/bulkRegenerateFields/status` | Get status information about the bulk field regeneration |
| GET | `/amendmentService/amendmentStatus` | Collects status for an amendment process |
| GET | `/amendmentService/amendmentResult` | Collects result identifier for a finished amendment process |

## Machine-readable artifacts (5)

- **OpenAPI** — https://artifacts.apis.io/chemaxon/openapi/chemaxon-amendment-api-openapi.yml
- **Documentation** — https://docs.chemaxon.com/latest/jchem-microservices_developer-guide.html
- **Documentation** — https://docs.chemaxon.com/latest/compound-registration_api-documentation.html
- **JSONSchema** — https://artifacts.apis.io/chemaxon/json-schema/chemaxon-registry-structure-schema.json
- **APIsJSON** — https://artifacts.apis.io/chemaxon/apis.yml

## Other Chemaxon APIs (12)

- [Chemaxon Audit API](https://apis.io/apis/chemaxon/chemaxon-audit-api/)
- [Chemaxon Auto Mapper API](https://apis.io/apis/chemaxon/chemaxon-automapper-api/)
- [Chemaxon Builtin Checker API](https://apis.io/apis/chemaxon/chemaxon-builtin-checker-api/)
- [Chemaxon Bulk amendment API](https://apis.io/apis/chemaxon/chemaxon-bulk-amendment-api/)
- [Chemaxon Bulk registration API](https://apis.io/apis/chemaxon/chemaxon-bulk-registration-api/)
- [Chemaxon Bulk upload API](https://apis.io/apis/chemaxon/chemaxon-bulk-upload-api/)
- [Chemaxon Calculator API](https://apis.io/apis/chemaxon/chemaxon-calculator-api/)
- [Chemaxon Checker API](https://apis.io/apis/chemaxon/chemaxon-checker-api/)
- [Chemaxon Checker Descriptor API](https://apis.io/apis/chemaxon/chemaxon-checker-descriptor-api/)
- [Chemaxon Checker Fixer API](https://apis.io/apis/chemaxon/chemaxon-checker-fixer-api/)
- [Chemaxon Chemaxon built-in reactions API](https://apis.io/apis/chemaxon/chemaxon-chemaxon-built-in-reactions-api/)
- [Chemaxon Chemical-term evaluation API](https://apis.io/apis/chemaxon/chemaxon-chemical-term-evaluation-api/)

## Tags

Amendment

---

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