# Lynx Substantiation API

**Canonical:** https://apis.io/apis/lynx/lynx-substantiation-api/  
**Provider:** Lynx — https://apis.io/providers/lynx/  
**Base URL:** https://sandbox.lynx-fh.co  
**Documentation:** https://docs.lynx-fh.com/

Lynx Substantiation API is one of 21 APIs that [Lynx](https://apis.io/providers/lynx/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 58 JSON Schema definitions. Tagged areas include Substantiation. The published artifact set on APIs.io includes an OpenAPI specification and 58 JSON Schemas.

The Substantiation API from Lynx — 5 operation(s) for substantiation.

## Operations (5)

| Method | Path | Summary |
|---|---|---|
| GET | `/substantiation/list` | Get All Member Substantiation Summary by Client |
| PATCH | `/substantiation/member-substantiation` | Update Member Transaction Substantiation Status |
| GET | `/substantiation/member-substantiation/history` | Get Member Transaction Substantiation History |
| DELETE | `/substantiation/receipt` | Delete Member Substantiation Receipt |
| POST | `/substantiation/receipts` | Upload Receipts to Member Substantiation |

## Machine-readable artifacts (59)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/openapi/lynx-substantiation-api-openapi.yml
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-get-member-account-balance-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-member-account-status-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-post-member-account-transfer-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-patch-member-account-request-doc-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-get-client-org-bank-account-balance-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-get-member-account-transfer-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-doc-post-dependent-card-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-reissue-card-request-doc-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-replace-card-request-doc-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-card-status-change-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-get-member-cards-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-member-card-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-post-member-claim-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-put-member-claim-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-persist-claims-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-get-claims-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-get-claim-detail-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-client-org-substantiation-model-dto-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-client-org-subscribed-events-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-patch-client-org-substantiation-model-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-client-org-application-token-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-client-org-application-token-request-doc-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-client-org-substantiation-model-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-calculate-sales-tax-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-post-member-ecommerce-order-request-doc-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-post-replace-ecommerce-order-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-put-commerce-sales-tax-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-post-ecommerce-refund-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-validate-coupon-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-member-view-commerce-classification-dto-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-client-org-exclusion-list-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-commerce-commodity-list-doc-model-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-commerce-catalog-facets-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-get-commodity-detail-doc-model-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-get-client-org-exclusion-list-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-doc-client-org-copay-group-create-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-doc-client-org-copay-group-edit-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-doc-copay-group-get-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/lynx/refs/heads/main/json-schema/lynx-copay-group-get-detail-schema.json
- …and 19 more, listed in full on the page.

## Other Lynx APIs (12)

- [Lynx API](https://apis.io/apis/lynx/lynx-api/)
- [Lynx Investments API](https://apis.io/apis/lynx/lynx-investments-api/)
- [Lynx Tags API](https://apis.io/apis/lynx/lynx-tags-api/)
- [Lynx Accounts API](https://apis.io/apis/lynx/lynx-accounts-api/)
- [Lynx Cards API](https://apis.io/apis/lynx/lynx-cards-api/)
- [Lynx Claims API](https://apis.io/apis/lynx/lynx-claims-api/)
- [Lynx Client Org Application Token Controller API](https://apis.io/apis/lynx/lynx-client-org-application-token-controller-api/)
- [Lynx Clients API](https://apis.io/apis/lynx/lynx-clients-api/)
- [Lynx Commerce API](https://apis.io/apis/lynx/lynx-commerce-api/)
- [Lynx Copay API](https://apis.io/apis/lynx/lynx-copay-api/)
- [Lynx Enrollments API](https://apis.io/apis/lynx/lynx-enrollments-api/)
- [Lynx Expense API](https://apis.io/apis/lynx/lynx-expense-api/)

## Tags

Substantiation

---

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