Mudflap

Mudflap is a fintech company operating a diesel fuel-discount network for truckers, owner-operators, and fleets. Its mobile app delivers instant cost-plus diesel discounts (up to $1.00/gallon) at 3,600+ truck stops using a driver's existing debit or credit card, and its Mudflap Fuel Card extends fleet credit terms, driver spend controls, and fraud protection across 70,000+ fuel stops nationwide, managed through a fleet dashboard. Mudflap reports $1B+ saved by 515,000+ active drivers and is recommended by 94% of owner-operators and fleets. It also runs a truck-stop merchant program and a Geotab telematics integration. Mudflap is backed by Matrix Partners. The company exposes an OAuth 2.0 / OpenID Connect authorization server at api.mudflapinc.com for its partner, fleet, and merchant surfaces; no public developer OpenAPI is published.

Mudflap publishes 1 API on the APIs.io network. Tagged areas include Company, Fintech, Fuel, Trucking, and Payments.

Mudflap’s developer surface includes developer portal, getting-started guide, support, authentication, and 10 more developer resources.

🌐 Visit website 📡 Source on GitHub
28.8/100 emerging ▬ flat Agent 14/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
1 APIs
CompanyFintechFuelTruckingPaymentsFleet ManagementLogisticsFuel Card

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 28.8/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 7.0 / 20
Commercial Clarity 4.2 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 14/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 10 / 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 4 / 4
Consent & Bot Identity 0 / 3
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/mudflap: 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.

Mudflap Partner API

OAuth 2.0 / OpenID Connect protected API surface serving Mudflap's partner, fleet, and merchant dashboards. Discovered via the published RFC 8414 authorization-server metadata; ...

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Mudflap Authentication

oauth2/openIdConnect · 2 schemes

SECURITY

Mudflap Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Mudflap Scopes

3 scopes · authorizationCode/password

3 scopes

SCOPES

Resources

Get Started 2

Portal, sign-up, and the first successful call

Portal
Portal
 GettingStarted
GettingStarted

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt
LLMsTxt
 WellKnown
WellKnown

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 Conformance
Conformance

Access & Security 3

Authentication, authorization, and security posture

Authentication
Authentication
 OAuthScopes
OAuthScopes
 DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 1

The organization behind the API

Website
Website

Other 1

Properties that don't map to a standard resource type

OpenIDConnect
OpenIDConnect

Source (apis.yml)

apis.yml Raw ↑ 
aid: mudflap
name: Mudflap
description: Mudflap is a fintech company operating a diesel fuel-discount network for truckers, owner-operators, and fleets.
  Its mobile app delivers instant cost-plus diesel discounts (up to $1.00/gallon) at 3,600+ truck stops using a driver's existing
  debit or credit card, and its Mudflap Fuel Card extends fleet credit terms, driver spend controls, and fraud protection
  across 70,000+ fuel stops nationwide, managed through a fleet dashboard. Mudflap reports $1B+ saved by 515,000+ active drivers
  and is recommended by 94% of owner-operators and fleets. It also runs a truck-stop merchant program and a Geotab telematics
  integration. Mudflap is backed by Matrix Partners. The company exposes an OAuth 2.0 / OpenID Connect authorization server
  at api.mudflapinc.com for its partner, fleet, and merchant surfaces; no public developer OpenAPI is published.
url: https://raw.githubusercontent.com/api-evangelist/mudflap/refs/heads/main/apis.yml
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://cdn.prod.website-files.com/663e75126ab14bc3a56a0e08/66bfbffec2941b37b6c31a3c_og-brand.png
x-type: company
x-source: vc-portfolio
x-backed-by:
- matrix-partners
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Fintech
- Fuel
- Trucking
- Payments
- Fleet Management
- Logistics
- Fuel Card
apis:
- name: Mudflap Partner API
  description: OAuth 2.0 / OpenID Connect protected API surface serving Mudflap's partner, fleet, and merchant dashboards.
    Discovered via the published RFC 8414 authorization-server metadata; no public OpenAPI reference is available.
  humanURL: https://partner.mudflapinc.com/
  baseURL: https://api.mudflapinc.com
  tags:
  - Fuel
  - Payments
  - OAuth
  properties:
  - type: Authentication
    url: authentication/mudflap-authentication.yml
  - type: OAuthScopes
    url: scopes/mudflap-scopes.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://mudflapinc.com
- type: Portal
  url: https://partner.mudflapinc.com/
- type: GettingStarted
  url: https://www.mudflapinc.com/app/how-it-works
- type: Support
  url: https://www.mudflapinc.com/contact
- type: TermsOfService
  url: https://www.mudflapinc.com/terms-and-conditions
- type: PrivacyPolicy
  url: https://www.mudflapinc.com/privacy
- type: LLMsTxt
  url: llms/mudflap-llms.txt
- type: WellKnown
  url: well-known/mudflap-well-known.yml
- type: Authentication
  url: authentication/mudflap-authentication.yml
- type: OpenIDConnect
  url: authentication/mudflap-authentication.yml
- type: OAuthScopes
  url: scopes/mudflap-scopes.yml
- type: Conventions
  url: conventions/mudflap-conventions.yml
- type: Conformance
  url: conformance/mudflap-conformance.yml
- type: DomainSecurity
  url: security/mudflap-domain-security.yml
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 8
  pass: local-v1