# Coil

**Canonical:** https://apis.io/providers/coil-trade/  
**Website:** https://coil.trade/  
**APIs profiled:** 1

Coil is a solo-built AI-powered stock scanner that provides real-time market data and trading signals for users and AI agents. It offers a live board, a scanner tool, and an MCP server for agents to access market information programmatically. The platform emphasizes honesty, transparency, and privacy, with clear rules governing claims and data usage. Coil aims to empower both individuals and automated agents in making informed trading decisions.

## Kin Score — 37.2 / 100 (thin)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 51.1 |
| Contract Governance | 22.0 |
| Operational Transparency | 15.8 |
| Developer Ergonomics | 32.7 |
| Access Clarity | 28.9 |

Regulatory layer — **Securities & Market Data**: 25.9 (matched via weak_tags).

## Agent readiness — 41.0 (agent-ready)

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

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (7)

- **Coil Access & Keys API** — Free credentials — an instant email key, or wallet sign-in (SIWX, CAIP-122). Signatures move no funds.
- **Coil Change Detection API** — The polling loop: hash the board for free, buy the delta only when it moves. An unchanged hash is never billed.
- **Coil Coil Live API** — Subscription lane ($49/mo): the engine-grade feed and the served, versioned trading discipline. License key, never sold per call.
- **Coil Market Data API** — Paid per-read slices of the scored board — regime, buy list, per-name and per-sector reads, crypto. USDC over x402; no account, no key.
- **Coil Paid reads API** — The Paid reads API from Coil — 2 operation(s) for paid reads.
- **Coil Research API** — The Research API from Coil — 11 operation(s) for research.
- **Coil Verification API** — Free, before any payment — the append-only commitment log, the forward-return audit of our own scores, and the engine's record vs SPY/QQQ. Check the publisher before trusting it.

## Agentic access (1)

- **Coil Trade Agentic Access** — 52 operations · 3 acting

## Security (2)

- **Coil Trade Authentication** — 4 schemes
- **Coil Trade Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Tags

Finance, Artificial Intelligence, Stock-Scanner, Real-Time Data, Trading

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