Fulfil website screenshot

Fulfil

Fulfil is a cloud ERP and operations platform for e-commerce, DTC, and wholesale merchants - unifying order management, inventory, warehouse operations (WMS), manufacturing and production (MRP), purchasing, and accounting in one system, purpose-built for Shopify Plus and high-volume DTC brands. The Fulfil REST API (v2) exposes every ERP model through a single uniform model interface at https://{merchant_id}.fulfil.io/api/v2, advertising 6,000+ endpoints with full create/read/update/delete access, action calls, reports, and wizards across all models. Authentication is via OAuth 2.0 for public apps or personal access tokens (X-API-KEY / HTTP Basic) for private integrations, and outbound webhooks (with a Google Pub/Sub option) deliver real-time ERP events such as order and shipment changes.

Fulfil publishes 10 APIs on the APIs.io network, including Authentication API, Customers API, Inventory & Stock API, and 7 more. Tagged areas include ERP, E-commerce, Order Management, Inventory, and Warehouse Management.

Fulfil’s developer surface includes authentication, documentation, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub
40.6/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessPaidSelf serve
10 APIs
ERPE-commerceOrder ManagementInventoryWarehouse ManagementManufacturingOperations

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 40.6/100 · thin
Contract Quality 15.1 / 25
Developer Ergonomics 3.9 / 20
Commercial Clarity 9.5 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
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 7 / 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/fulfil-io: 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 10

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

Fulfil Authentication API

Verify API credentials.

Fulfil Customers API

Customers, suppliers, and contacts via the party.party model.

Fulfil Inventory & Stock API

Inventory via stock.move and stock.location models.

Fulfil Manufacturing API

Production orders via the production model.

Fulfil Model Interface API

The generic model interface applicable to any Fulfil model.

Fulfil Products & Variants API

Catalog via product.template and product.product models.

Fulfil Purchases API

Purchase orders via the purchase.purchase model.

Fulfil Sales Orders API

Sales orders via the sale.sale model.

Fulfil Shipments API

Fulfillment via stock.shipment.out and stock.shipment.in models.

Fulfil Webhooks API

Webhook subscriptions for real-time ERP events.

Scroll for all 10

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Fulfil REST API (v2)

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Fulfil Io Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Fulfil Io Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Fulfil Io Finops

FINOPS

Security Posture 4

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

Fulfil Io Authentication

apiKey/oauth2 · 2 schemes

SECURITY

Fulfil Io Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Fulfil Io Vulnerability Disclosure

security.txt · contact published

SECURITY

Fulfil Io Trust Center

SOC 2, GDPR

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Fulfil Io Scopes

2 scopes · authorizationCode

2 scopes

SCOPES

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Fulfil Io Agentic Access

31 operations · 17 acting

31 operations · 17 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 5

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication
 OAuthScopes
OAuthScopes

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: fulfil-io
url: https://raw.githubusercontent.com/api-evangelist/fulfil-io/refs/heads/main/apis.yml
name: Fulfil
kind: company
description: Fulfil is a cloud ERP and operations platform for e-commerce, DTC, and wholesale merchants - unifying order management,
  inventory, warehouse operations (WMS), manufacturing and production (MRP), purchasing, and accounting in one system, purpose-built
  for Shopify Plus and high-volume DTC brands. The Fulfil REST API (v2) exposes every ERP model through a single uniform model
  interface at https://{merchant_id}.fulfil.io/api/v2, advertising 6,000+ endpoints with full create/read/update/delete access,
  action calls, reports, and wizards across all models. Authentication is via OAuth 2.0 for public apps or personal access
  tokens (X-API-KEY / HTTP Basic) for private integrations, and outbound webhooks (with a Google Pub/Sub option) deliver real-time
  ERP events such as order and shipment changes.
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Paid · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/fulfil-io.png
tags:
- ERP
- E-commerce
- Order Management
- Inventory
- Warehouse Management
- Manufacturing
- Operations
created: '2026-07-04'
modified: '2026-07-04'
specificationVersion: '0.19'
apis:
- aid: fulfil-io:fulfil-io-authentication-api
  name: Fulfil Authentication API
  description: Verify API credentials.
  humanURL: https://developers.fulfil.io/
  baseURL: https://{merchant_id}.fulfil.io/api/v2
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/fulfil-io-authentication-api-openapi.yml
  - type: Documentation
    url: https://developers.fulfil.io/
  - type: APIReference
    url: https://fulfiliorestapi.docs.apiary.io/
  - type: PostmanCollection
    url: collections/fulfil-io.postman_collection.json
  - type: OpenCollection
    url: collections/fulfil-io.opencollection.json
  - type: Documentation
    url: https://docs.fulfil.io/production/
  - type: Documentation
    url: https://www.fulfil.io/platform/api/
- aid: fulfil-io:fulfil-io-customers-api
  name: Fulfil Customers API
  description: Customers, suppliers, and contacts via the party.party model.
  humanURL: https://developers.fulfil.io/
  baseURL: https://{merchant_id}.fulfil.io/api/v2
  tags:
  - Customers
  properties:
  - type: OpenAPI
    url: openapi/fulfil-io-customers-api-openapi.yml
  - type: Documentation
    url: https://developers.fulfil.io/
  - type: APIReference
    url: https://fulfiliorestapi.docs.apiary.io/
  - type: PostmanCollection
    url: collections/fulfil-io.postman_collection.json
  - type: OpenCollection
    url: collections/fulfil-io.opencollection.json
  - type: Documentation
    url: https://docs.fulfil.io/production/
  - type: Documentation
    url: https://www.fulfil.io/platform/api/
- aid: fulfil-io:fulfil-io-inventory-stock-api
  name: Fulfil Inventory & Stock API
  description: Inventory via stock.move and stock.location models.
  humanURL: https://developers.fulfil.io/
  baseURL: https://{merchant_id}.fulfil.io/api/v2
  tags:
  - Inventory & Stock
  properties:
  - type: OpenAPI
    url: openapi/fulfil-io-inventory-stock-api-openapi.yml
  - type: Documentation
    url: https://developers.fulfil.io/
  - type: APIReference
    url: https://fulfiliorestapi.docs.apiary.io/
  - type: PostmanCollection
    url: collections/fulfil-io.postman_collection.json
  - type: OpenCollection
    url: collections/fulfil-io.opencollection.json
  - type: Documentation
    url: https://docs.fulfil.io/production/
  - type: Documentation
    url: https://www.fulfil.io/platform/api/
- aid: fulfil-io:fulfil-io-manufacturing-api
  name: Fulfil Manufacturing API
  description: Production orders via the production model.
  humanURL: https://developers.fulfil.io/
  baseURL: https://{merchant_id}.fulfil.io/api/v2
  tags:
  - Manufacturing
  properties:
  - type: OpenAPI
    url: openapi/fulfil-io-manufacturing-api-openapi.yml
  - type: Documentation
    url: https://developers.fulfil.io/
  - type: APIReference
    url: https://fulfiliorestapi.docs.apiary.io/
  - type: PostmanCollection
    url: collections/fulfil-io.postman_collection.json
  - type: OpenCollection
    url: collections/fulfil-io.opencollection.json
  - type: Documentation
    url: https://docs.fulfil.io/production/
  - type: Documentation
    url: https://www.fulfil.io/platform/api/
- aid: fulfil-io:fulfil-io-model-interface-api
  name: Fulfil Model Interface API
  description: The generic model interface applicable to any Fulfil model.
  humanURL: https://developers.fulfil.io/
  baseURL: https://{merchant_id}.fulfil.io/api/v2
  tags:
  - Model Interface
  properties:
  - type: OpenAPI
    url: openapi/fulfil-io-model-interface-api-openapi.yml
  - type: Documentation
    url: https://developers.fulfil.io/
  - type: APIReference
    url: https://fulfiliorestapi.docs.apiary.io/
  - type: PostmanCollection
    url: collections/fulfil-io.postman_collection.json
  - type: OpenCollection
    url: collections/fulfil-io.opencollection.json
  - type: Documentation
    url: https://docs.fulfil.io/production/
  - type: Documentation
    url: https://www.fulfil.io/platform/api/
- aid: fulfil-io:fulfil-io-products-variants-api
  name: Fulfil Products & Variants API
  description: Catalog via product.template and product.product models.
  humanURL: https://developers.fulfil.io/
  baseURL: https://{merchant_id}.fulfil.io/api/v2
  tags:
  - Products & Variants
  properties:
  - type: OpenAPI
    url: openapi/fulfil-io-products-variants-api-openapi.yml
  - type: Documentation
    url: https://developers.fulfil.io/
  - type: APIReference
    url: https://fulfiliorestapi.docs.apiary.io/
  - type: PostmanCollection
    url: collections/fulfil-io.postman_collection.json
  - type: OpenCollection
    url: collections/fulfil-io.opencollection.json
  - type: Documentation
    url: https://docs.fulfil.io/production/
  - type: Documentation
    url: https://www.fulfil.io/platform/api/
- aid: fulfil-io:fulfil-io-purchases-api
  name: Fulfil Purchases API
  description: Purchase orders via the purchase.purchase model.
  humanURL: https://developers.fulfil.io/
  baseURL: https://{merchant_id}.fulfil.io/api/v2
  tags:
  - Purchases
  properties:
  - type: OpenAPI
    url: openapi/fulfil-io-purchases-api-openapi.yml
  - type: Documentation
    url: https://developers.fulfil.io/
  - type: APIReference
    url: https://fulfiliorestapi.docs.apiary.io/
  - type: PostmanCollection
    url: collections/fulfil-io.postman_collection.json
  - type: OpenCollection
    url: collections/fulfil-io.opencollection.json
  - type: Documentation
    url: https://docs.fulfil.io/production/
  - type: Documentation
    url: https://www.fulfil.io/platform/api/
- aid: fulfil-io:fulfil-io-sales-orders-api
  name: Fulfil Sales Orders API
  description: Sales orders via the sale.sale model.
  humanURL: https://developers.fulfil.io/
  baseURL: https://{merchant_id}.fulfil.io/api/v2
  tags:
  - Sales Orders
  properties:
  - type: OpenAPI
    url: openapi/fulfil-io-sales-orders-api-openapi.yml
  - type: Documentation
    url: https://developers.fulfil.io/
  - type: APIReference
    url: https://fulfiliorestapi.docs.apiary.io/
  - type: PostmanCollection
    url: collections/fulfil-io.postman_collection.json
  - type: OpenCollection
    url: collections/fulfil-io.opencollection.json
  - type: Documentation
    url: https://docs.fulfil.io/production/
  - type: Documentation
    url: https://www.fulfil.io/platform/api/
- aid: fulfil-io:fulfil-io-shipments-api
  name: Fulfil Shipments API
  description: Fulfillment via stock.shipment.out and stock.shipment.in models.
  humanURL: https://developers.fulfil.io/
  baseURL: https://{merchant_id}.fulfil.io/api/v2
  tags:
  - Shipments
  properties:
  - type: OpenAPI
    url: openapi/fulfil-io-shipments-api-openapi.yml
  - type: Documentation
    url: https://developers.fulfil.io/
  - type: APIReference
    url: https://fulfiliorestapi.docs.apiary.io/
  - type: PostmanCollection
    url: collections/fulfil-io.postman_collection.json
  - type: OpenCollection
    url: collections/fulfil-io.opencollection.json
  - type: Documentation
    url: https://docs.fulfil.io/production/
  - type: Documentation
    url: https://www.fulfil.io/platform/api/
- aid: fulfil-io:fulfil-io-webhooks-api
  name: Fulfil Webhooks API
  description: Webhook subscriptions for real-time ERP events.
  humanURL: https://developers.fulfil.io/
  baseURL: https://{merchant_id}.fulfil.io/api/v2
  tags:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/fulfil-io-webhooks-api-openapi.yml
  - type: Documentation
    url: https://developers.fulfil.io/
  - type: APIReference
    url: https://fulfiliorestapi.docs.apiary.io/
  - type: PostmanCollection
    url: collections/fulfil-io.postman_collection.json
  - type: OpenCollection
    url: collections/fulfil-io.opencollection.json
  - type: Documentation
    url: https://docs.fulfil.io/production/
  - type: Documentation
    url: https://www.fulfil.io/platform/api/
common:
- type: AgenticAccess
  url: agentic-access/fulfil-io-agentic-access.yml
- type: TrustCenter
  url: security/fulfil-io-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/fulfil-io-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/fulfil-io-domain-security.yml
- type: Authentication
  url: authentication/fulfil-io-authentication.yml
- type: OAuthScopes
  url: scopes/fulfil-io-scopes.yml
- type: GitHubOrganization
  url: https://github.com/fulfilio
- type: LinkedIn
  url: https://www.linkedin.com/company/fulfil-io
- type: Website
  url: https://www.fulfil.io
- type: Documentation
  url: https://developers.fulfil.io/
- type: Plans
  url: plans/fulfil-io-plans-pricing.yml
- type: RateLimits
  url: rate-limits/fulfil-io-rate-limits.yml
- type: FinOps
  url: finops/fulfil-io-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com