Coast

Coast is a fintech company providing a unified payments platform for fleet-based and field-service businesses, combining a smart Visa fuel card, corporate card, field card, and bill pay into a single program with granular spending controls, GPS- and tank-capacity-based fraud prevention, fuel rebates, and a fraud guarantee. Coast operates a stable v2 REST API (the Coast API) behind a developer portal that lets businesses programmatically access cards, drivers, vehicles, transactions, receipts, and controls, alongside native integrations with telematics (Samsara, Geotab, Verizon Connect), accounting (QuickBooks, NetSuite, Sage Intacct), and fleet management (Fleetio, Whip Around) platforms. Coast is backed by Accel and ICONIQ Capital.

Coast publishes 1 API on the APIs.io network. Tagged areas include Company, Payments, Fintech, Fleet, and Fuel Cards.

Coast’s developer surface includes documentation, API reference, support, engineering blog, pricing, signup flow, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

23.6/100 emerging ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-08-10 · rubric v0.9.1

1 APIs

CompanyPaymentsFintechFleetFuel CardsCorporate CardsExpense ManagementBill Pay

Kin Score

Kin Score How this is scored →
scored 2026-08-10 · rubric v0.9.1

Composite quality — 23.6/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 6.1 / 20

Commercial Clarity 8.9 / 20

Operational Transparency 2.1 / 13

Governance 0.0 / 12

Discoverability 6.9 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/coast: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

SignUp

SignUp

Login

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Lifecycle

Lifecycle

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 3

Status, limits, changes, and where to get help

Support

Support

HelpCenter

HelpCenter

StatusPage

StatusPage

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: coast
name: Coast
description: Coast is a fintech company providing a unified payments platform for fleet-based and field-service businesses,
  combining a smart Visa fuel card, corporate card, field card, and bill pay into a single program with granular spending
  controls, GPS- and tank-capacity-based fraud prevention, fuel rebates, and a fraud guarantee. Coast operates a stable v2
  REST API (the Coast API) behind a developer portal that lets businesses programmatically access cards, drivers, vehicles,
  transactions, receipts, and controls, alongside native integrations with telematics (Samsara, Geotab, Verizon Connect),
  accounting (QuickBooks, NetSuite, Sage Intacct), and fleet management (Fleetio, Whip Around) platforms. Coast is backed
  by Accel and ICONIQ Capital.
url: https://raw.githubusercontent.com/api-evangelist/coast/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- accel
- iconiq-capital
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Payments
- Fintech
- Fleet
- Fuel Cards
- Corporate Cards
- Expense Management
- Bill Pay
image: https://coastpay.com/og.png
apis:
- name: Coast API
  description: Coast's stable v2 REST API for programmatic access to fleet and fuel expense data — cards, drivers, vehicles,
    transactions, receipts, and spending controls. The API reference is served via a gated (OIDC login) developer portal;
    access is provisioned to Coast customers and partners.
  humanURL: https://docs.coastpay.com/
  baseURL: https://api.coastpay.com/
  tags:
  - Payments
  - Fleet
  - Fuel Cards
  properties:
  - type: Documentation
    url: https://docs.coastpay.com/
  - type: APIReference
    url: https://docs.coastpay.com/openapi/v2/coast-api
  - type: DeveloperPortal
    url: https://developers.coastpay.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://coastpay.com/
- type: DeveloperPortal
  url: https://developers.coastpay.com/
- type: Documentation
  url: https://docs.coastpay.com/
- type: APIReference
  url: https://docs.coastpay.com/openapi/v2/coast-api
- type: Integrations
  url: https://coastpay.com/integrations/
- type: Support
  url: https://coastpay.com/customer-service/
- type: HelpCenter
  url: https://coastpay.com/faqs/
- type: Blog
  url: https://coastpay.com/resources/blog/
- type: Pricing
  url: https://coastpay.com/pricing/
- type: SignUp
  url: https://apply.coastpay.com/
- type: Login
  url: https://portal.coastpay.com/auth
- type: TermsOfService
  url: https://coastpay.com/legal/terms-of-use/
- type: PrivacyPolicy
  url: https://coastpay.com/legal/privacy-policy/
- type: StatusPage
  url: https://status.coastpay.com/
- type: Lifecycle
  url: lifecycle/coast-lifecycle.yml
- type: DomainSecurity
  url: security/coast-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence