Truss

Truss provides banking services tailored for the construction industry, offering no monthly or account fees, fast payment processing for subcontractors and vendors, and expense management tools. Their platform enables construction businesses to get paid quickly via ACH and card payments, pay subs and vendors instantly, and manage finances without hidden costs, aiming to streamline financial operations in the building sector.

Truss is profiled on the APIs.io network. Tagged areas include Company, Banking, Construction, Payments, and FinTech.

Truss’ developer surface includes sandbox, authentication, engineering blog, getting-started guide, documentation, and 12 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

26.8/100 thin Agent 24/100 agent aware Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

0 APIs

Company Banking Construction PaymentsFinTech

Kin Score

Kin Score How this is scored →
scored 2026-10-31 · rubric v0.25.0

Composite quality — 26.8/100 · thin

Contract Quality 0.0 / 21

Developer Ergonomics 7.3 / 17

Access Clarity 6.3 / 17

Operational Transparency 4.7 / 11

Contract Governance 0.0 / 10

Discoverability 4.7 / 9

Regulatory Posture 3.0 / 15

Agent readiness — 24/100 · agent aware

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 4 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 6 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 6 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

Regulatory Posture applies to this provider. Its tags matched the Banking & Open Finance regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link

7 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 0.0 — up to +25.0 composite points
Access Clarity scores 36.8 — up to +12.6 composite points
Contract Governance scores 0.0 — up to +12.0 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/truss/apis.yml: open an issue on github.com/api-evangelist/truss to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Rate Limits 1

Documented rate limits and quota policies.

Truss Rate Limits

4 limits

RATE LIMITS

Security Posture 3

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

Truss Authentication

3 schemes

SECURITY

Truss Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Truss Trust Center

SOC 2, ISO 27001, ISO 27017, ISO 27018

SECURITY

Resources

Get Started 2

Portal, sign-up, and the first successful call

Sandbox

Sandbox

GettingStarted

GettingStarted

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

WellKnown

WellKnown

Access & Security 5

Authentication, authorization, and security posture

Compliance

Authentication

Security

TrustCenter

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: truss
name: Truss
image: https://cdn.prod.website-files.com/67c6ba2c65db234784dea6b9/68001b2692988da1b13bba10_truss-og.avif
description: Truss provides banking services tailored for the construction industry, offering no monthly or account fees,
  fast payment processing for subcontractors and vendors, and expense management tools. Their platform enables construction
  businesses to get paid quickly via ACH and card payments, pay subs and vendors instantly, and manage finances without hidden
  costs, aiming to streamline financial operations in the building sector.
url: https://trusspayments.comgelist/truss/refs/heads/main/apis.yml
x-type: company
x-source: harvest:vc-portfolio
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-22 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-21'
modified: '2026-10-21'
tags:
- Company
- Banking
- Construction
- Payments
- FinTech
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: RateLimits
  url: rate-limits/truss-rate-limits.yml
- type: Sandbox
  url: sandbox/truss-sandbox.yml
- type: Compliance
  url: https://trusspayments.com/security
- type: Authentication
  url: authentication/truss-authentication.yml
- type: LLMsTxt
  url: llms/truss-llms.txt
- type: WellKnown
  url: well-known/truss-well-known.yml
- type: Hosts
  url: hosts/truss-hosts.yml
- type: Vendors
  url: vendors/truss-vendors.yml
- type: TermsOfService
  url: https://trusspayments.com/legal/terms-of-service
- type: Security
  url: https://trusspayments.com/security
- type: PrivacyPolicy
  url: https://trusspayments.com/legal/privacy-policy
- type: Blog
  url: https://trusspayments.com/blog
- type: GettingStarted
  url: https://docs.trusspayments.com/guides/webhooks/setup-guide/index
- type: Documentation
  url: https://docs.trusspayments.com/
- type: TrustCenter
  url: security/truss-trust-center.yml
- type: DomainSecurity
  url: security/truss-domain-security.yml
- type: Website
  url: https://trusspayments.com
apis: []
x-backed-by:
- bonfire-ventures
x-coverage:
  state: none
  reason: no-developer-program
  method: derived
  generated: '2026-10-22'
  generator: derive-coverage.py (pre-flight evidence)
  detail: the company publishes no developer documentation host and no machine-readable contract on its own domain
  evidence:
  - url: https://trusspayments.com
    status: 200
x-enrichment:
  date: '2026-10-22'
  status: enriched
  artifacts_added: 16
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Truss API — frequently asked questions

How do I authenticate with the Truss API?

Truss documents its authentication (3 schemes). The details are profiled on APIs.io as Truss Authentication.

Is the Truss API ready for AI agents?

Truss has a Kin Score of 26.8 out of 100 (thin) and an Agent Readiness score of 23.6 (agent-aware), scored by API Evangelist on 2026-10-31.

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