# Orion Advisor Solutions Billing/Post Payments API

**Canonical:** https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-billing-postpayments-api/  
**Provider:** Orion Advisor Solutions — https://apis.io/providers/orion-advisor-solutions/  
**Base URL:** https://api.orionadvisor.com/api/v1  
**Documentation:** https://developers.orionadvisor.com/

Orion Advisor Solutions Billing/Post Payments API is one of 573 APIs that [Orion Advisor Solutions](https://apis.io/providers/orion-advisor-solutions/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Billing/PostPayments. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and a getting-started guide.

The Billing/PostPayments API from Orion Advisor Solutions — 15 operation(s) for billing/postpayments.

## Operations (16)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/Billing/PostPayments` | Get list of payments so that they can be unposted |
| POST | `/v1/Billing/PostPayments` | Generate post payments for billing |
| GET | `/v1/Billing/PostPayments/accounts` | Get all bill payments for accounts |
| GET | `/v1/Billing/PostPayments/BillInstance/{key}` | Get all bill payments by bill instance id |
| GET | `/v1/Billing/PostPayments/BillPayments` | Get list of unpaid bills |
| GET | `/v1/Billing/PostPayments/CustodianAndDate` | Get Post Payments |
| GET | `/v1/Billing/PostPayments/FFandDate` | Get list of unpaid bills by client |
| GET | `/v1/Billing/PostPayments/FFandDate/Grid` | Get list of unpaid bills by client |
| GET | `/v1/Billing/PostPayments/HHAndDate` | Get list of unpaid bills by client |
| POST | `/v1/Billing/PostPayments/ImportAndDate` | Takes an xlsx, xls, or csv file as multipart content. |
| GET | `/v1/Billing/PostPayments/IsPostingPayments` | Check if there is an existing Post Payments batch in progress |
| PUT | `/v1/Billing/PostPayments/PostPaymentBatch/{key}/Action/Rerun` | Post payments rerun post payments batch async |
| GET | `/v1/Billing/PostPayments/Status` | Post payments get batch status async |
| POST | `/v1/Billing/PostPayments/Status/{batchId}` | Retries processing of a post payment batch |
| PUT | `/v1/Billing/PostPayments/UpdateAmountToPost/{id}` | Echo without an update. Slickgrid insists, but can we do this another way? |
| POST | `/v1/Billing/PostPayments/WriteOffBills` | Write off Bills |

## Machine-readable artifacts (6)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/orion-advisor-solutions/refs/heads/main/openapi/orion-advisor-solutions-billing-postpayments-api-openapi.yml
- **Documentation** — https://developers.orionadvisor.com/quick-start/
- **Documentation** — https://developers.orionadvisor.com/guides/
- **APIReference** — https://api.orionadvisor.com/api/swagger/ui/index
- **GettingStarted** — https://developers.orionadvisor.com/quick-start/
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/orion-advisor-solutions/refs/heads/main/asyncapi/orion-advisor-solutions-webhooks.yml

## Other Orion Advisor Solutions APIs (12)

- [Orion Advisor Solutions Advisor Trading/Buy Sell API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-advisortrading-buysell-api/)
- [Orion Advisor Solutions Advisor Trading/Core API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-advisortrading-core-api/)
- [Orion Advisor Solutions Advisor Trading/Instances API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-advisortrading-instances-api/)
- [Orion Advisor Solutions Advisor Trading/Sleeve Assignment API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-advisortrading-sleeveassignment-api/)
- [Orion Advisor Solutions Aggregator/Access Token API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-aggregator-accesstoken-api/)
- [Orion Advisor Solutions Aggregator/Accounts API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-aggregator-accounts-api/)
- [Orion Advisor Solutions Aggregator API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-aggregator-api/)
- [Orion Advisor Solutions Aggregator/Holdings API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-aggregator-holdings-api/)
- [Orion Advisor Solutions Aggregator/Token API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-aggregator-token-api/)
- [Orion Advisor Solutions Aggregator/Transactions API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-aggregator-transactions-api/)
- [Orion Advisor Solutions Authorization/Databases API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-authorization-databases-api/)
- [Orion Advisor Solutions Authorization/Profiles API](https://apis.io/apis/orion-advisor-solutions/orion-advisor-solutions-authorization-profiles-api/)

## Tags

Billing/PostPayments

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