# Coast (FKA VayU)

**Canonical:** https://apis.io/providers/coast-fka-vayu/  
**Website:** https://coastpay.com/  
**APIs profiled:** 1

Coast (formerly VayU) is a US financial-technology company that consolidates fuel cards, fleet and field cards, corporate cards, expense management, and bill pay onto a single platform for fleet-based and field-service businesses across HVAC, construction, transportation, and landscaping. Coast pairs Visa card issuing with spend controls, fraud prevention, rewards, and real-time reporting, and integrates with telematics (Samsara, Geotab, Verizon Connect), fleet management (Fleetio, Whip Around), and accounting (QuickBooks, NetSuite, Sage Intacct) systems. Coast exposes a v2 REST API and an embedded-widget SDK through a Kong-hosted developer portal. Backed by ICONIQ Growth, Accel, Insight Partners, and Bessemer Venture Partners.

## Kin Score — 26.3 / 100 (emerging)

Scored 2026-08-17 under rubric 0.11.0. Trend: flat (+0.0 from 26.3).

| Facet | Score |
|---|---|
| Discoverability | 87.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Operational Transparency | 15.8 |
| Developer Ergonomics | 37.0 |
| Commercial Clarity | 44.7 |

Regulatory layer — **Payments**: 21.9 (matched via tags).

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| 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 |

## Access

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

## APIs (1)

- **Coast API v2** — Coast's v2 REST API for programmatically managing fuel/fleet cards, corporate cards, spend controls, transactions, and expense data. Documented via a Redocly reference and a Kon...

## Security (1)

- **Coast Fka Vayu Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, Payments, Fleet Cards, Fuel Cards, Corporate Cards, Expense Management, Fintech, Bill Pay

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