# Stamps.com API

**Canonical:** https://apis.io/apis/stamps-com/stamps-com-api/  
**Provider:** Stamps.com — https://apis.io/providers/stamps-com/  
**Base URL:** https://api.stampsendicia.com/sera  
**Documentation:** https://developer.stamps.com/rest-api/reference/serav1.html

Stamps.com API is one of 2 APIs that [Stamps.com](https://apis.io/providers/stamps-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

Stamps.com API as documented publicly: 8 operations. Contract generated from the documentation by API Evangelist (2026-10-13); not the provider's own document.

## Operations (8)

| Method | Path | Summary |
|---|---|---|
| GET | `/account` | Get Account Information |
| POST | `/addresses/{addresseid}` | Parse an Address |
| PUT | `/labels/{labelId}/void` | Cancelling a Label |
| GET | `/tracking` | GET /tracking |
| PUT | `/v1/account/security_questions` | Set Account Security Questions |
| POST | `/v1/balance/add-funds` | Add Funds to Account Balance |
| GET | `/v1/{v1id}` | Get Current Account Balance |
| POST | `/v1/{v1id}` | Create a Label |

## Machine-readable artifacts (7)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/stamps-com/refs/heads/main/openapi/_ae-authored/stamps-com-openapi-generated.yml
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/stamps-com/refs/heads/main/json-schema/stamps-com-put-v1-account-security-questions-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/stamps-com/refs/heads/main/json-schema/stamps-com-post-v1-v1-id-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/stamps-com/refs/heads/main/json-schema/stamps-com-post-v1-v1-id-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/stamps-com/refs/heads/main/json-schema/stamps-com-post-addresses-addresseid-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/stamps-com/refs/heads/main/json-schema/stamps-com-get-v1-v1-id-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/stamps-com/refs/heads/main/json-schema/stamps-com-post-v1-balance-add-funds-response-schema.json

## Other Stamps.com APIs (1)

- [Stamps.com Shipping API](https://apis.io/apis/stamps-com/stamps-com-shipping-api/)

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