# SignSealShip Partner API Sandbox API

**Canonical:** https://apis.io/apis/signsealship/signsealship-sandbox-api/  
**Provider:** SignSealShip Partner API — https://apis.io/providers/signsealship/  
**Base URL:** https://signsealship.com  
**Documentation:** https://docs.signsealship.com

SignSealShip Partner API Sandbox API is one of 9 APIs that [SignSealShip Partner API](https://apis.io/providers/signsealship/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Sandbox. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, and rate-limit docs.

Deterministic lifecycle simulation for TEST orders (sss_pk_test_ keys) — real state machine, real signed webhooks, no live money.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/partner/sandbox/orders/{code}/checkout` | Simulate a checkout outcome |
| POST | `/api/partner/sandbox/orders/{code}/advance` | Advance a test order one milestone |

## Machine-readable artifacts (15)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/signsealship/refs/heads/main/openapi/signsealship-sandbox-api-openapi.yml
- **Documentation** — https://docs.signsealship.com
- **API Onboarding** — https://signsealship.com/.well-known/api-onboarding.json
- **Authentication** — https://docs.signsealship.com/api-reference/authentication
- **Webhooks** — https://docs.signsealship.com/api-reference/webhooks
- **Sandbox** — https://docs.signsealship.com/api-reference/orders
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/signsealship/refs/heads/main/authentication/signsealship-authentication.yml
- **Sandbox** — https://raw.githubusercontent.com/api-evangelist/signsealship/refs/heads/main/sandbox/signsealship-sandbox.yml
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/signsealship/refs/heads/main/asyncapi/signsealship-webhooks.yml
- **ToolCrosswalk** — https://raw.githubusercontent.com/api-evangelist/signsealship/refs/heads/main/mcp/signsealship-tool-crosswalk.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/signsealship/refs/heads/main/errors/signsealship-problem-types.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/signsealship/refs/heads/main/data-model/signsealship-data-model.yml
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/signsealship/refs/heads/main/rate-limits/signsealship-rate-limits.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/signsealship/refs/heads/main/conventions/signsealship-conventions.yml
- **Idempotency** — https://raw.githubusercontent.com/api-evangelist/signsealship/refs/heads/main/conventions/signsealship-conventions.yml

## Other SignSealShip Partner API APIs (8)

- [Remote online notarization requirements by U.S. jurisdiction](https://apis.io/apis/signsealship/ron-laws-dataset/)
- [SignSealShip Partner API Closing Passports API](https://apis.io/apis/signsealship/signsealship-closing-passports-api/)
- [SignSealShip Partner API Closing Rooms API](https://apis.io/apis/signsealship/signsealship-closing-rooms-api/)
- [SignSealShip Partner API Launchpad & Analytics API](https://apis.io/apis/signsealship/signsealship-launchpad-analytics-api/)
- [SignSealShip Partner API Onboarding API](https://apis.io/apis/signsealship/signsealship-onboarding-api/)
- [SignSealShip Partner API Orders API](https://apis.io/apis/signsealship/signsealship-orders-api/)
- [SignSealShip Partner API Proof Passport API](https://apis.io/apis/signsealship/signsealship-proof-passport-api/)
- [SignSealShip Partner API Webhooks API](https://apis.io/apis/signsealship/signsealship-webhooks-api/)

## Tags

Sandbox

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