# V2JSON (SkyV2X)

**Canonical:** https://apis.io/providers/v2json/  
**Website:** https://v2json.skyv2x.com/  
**APIs profiled:** 1

V2JSON (SkyV2X) provides a free online V2X message codec that converts ETSI C‑ITS UPER binary streams to structured JSON and back. It supports a wide range of message types including CAM, DENM, CPM, VAM, MAPEM, SPATEM, SREM, SSEM, IVIM and RTCMEM, offering byte‑exact round‑trip verification. The service is publicly accessible via a REST API with endpoints for decode, encode, and verify, and requires no API key. Documentation is available through a Swagger UI at /docs, and the company also offers an interactive web‑based codec interface.

## Kin Score — 23.1 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0. Trend: flat (-0.9 from 24.0).

| Facet | Score |
|---|---|
| Discoverability | 73.2 |
| Contract Quality | 54.0 |
| Contract Governance | 22.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 4.8 |
| Access Clarity | 0.0 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 10.8 (matched via fallback).

## Agent readiness — 22.2 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Open access — onboarding: open, pricing: unknown, trial: no (confidence: low).

## APIs (1)

- **V2JSON (SkyV2X) Decode API** — The decode API from V2JSON (SkyV2X) — 6 operation(s) for decode.

## Agentic access (1)

- **V2Json Agentic Access** — 6 operations · 3 acting

## Security (1)

- **V2Json Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

V2X, C-ITS, ETSI, Codec, Free

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/v2json/). Scores are computed from the provider's own public artifacts under a published rubric.