# 2s Validate API

**Canonical:** https://apis.io/apis/2s-io/2s-io-validate-api/  
**Provider:** 2s — https://apis.io/providers/2s-io/  
**Base URL:** https://2s.io/mcp  
**Documentation:** https://2s.io/discover

2s Validate API is one of 114 APIs that [2s](https://apis.io/providers/2s-io/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Validate. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

The validate API from 2s — 10 operation(s) for validate.

## Operations (10)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/validate/aba` | Validate a US bank ABA routing number with the Federal |
| POST | `/api/validate/batch` | Validate up to 100 identifiers of mixed kinds in a single |
| GET | `/api/validate/bic` | Validate a SWIFT/BIC code (ISO 9362): 8 or 11 characters = |
| GET | `/api/validate/cusip` | Validate a CUSIP (9-character US/Canada securities |
| GET | `/api/validate/gln` | Validate a GS1 GLN (Global Location Number) - 13 digits |
| GET | `/api/validate/gtin` | Validate a product barcode - GTIN-8/12/13/14, UPC-A |
| GET | `/api/validate/iban` | Validate an International Bank Account Number (IBAN) with |
| GET | `/api/validate/isin` | Validate an ISIN (International Securities Identification |
| GET | `/api/validate/lei` | Validate a Legal Entity Identifier (LEI, ISO 17442) with |
| GET | `/api/validate/sscc` | Validate a GS1 SSCC (Serial Shipping Container Code) - 18 |

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/2s-io/refs/heads/main/openapi/2s-io-validate-api-openapi.yml
- **Documentation** — https://2s.io/llms.txt
- **APIReference** — https://2s.io/discover
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/2s-io/refs/heads/main/asyncapi/2s-io-watchers-webhooks.yml

## Other 2s APIs (12)

- [2s MCP Server](https://apis.io/apis/2s-io/2s-mcp-server/)
- [2s A2A Agent](https://apis.io/apis/2s-io/2s-a2a-agent/)
- [2s Agent API](https://apis.io/apis/2s-io/2s-io-agent-api/)
- [2s Agriculture API](https://apis.io/apis/2s-io/2s-io-agriculture-api/)
- [2s AI API](https://apis.io/apis/2s-io/2s-io-ai-api/)
- [2s Airport API](https://apis.io/apis/2s-io/2s-io-airport-api/)
- [2s Aviation API](https://apis.io/apis/2s-io/2s-io-aviation-api/)
- [2s Bank API](https://apis.io/apis/2s-io/2s-io-bank-api/)
- [2s Barcode API](https://apis.io/apis/2s-io/2s-io-barcode-api/)
- [2s Batch API](https://apis.io/apis/2s-io/2s-io-batch-api/)
- [2s Bio API](https://apis.io/apis/2s-io/2s-io-bio-api/)
- [2s Bls API](https://apis.io/apis/2s-io/2s-io-bls-api/)

## Tags

Validate

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/2s-io/2s-io-validate-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/2s-io/.