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

39.2/100 thin ▬ flat Agent 29/100 agent aware Full breakdown ↓
scored 2026-08-21 · rubric v0.12.0

AccessPaidSelf serve

10 APIs

ERP E-Commerce Order Management Inventory Warehouse Management Manufacturing

Kin Score

Kin Score How this is scored →
scored 2026-08-21 · rubric v0.12.0

Composite quality — 39.2/100 · thin

Contract Quality 13.6 / 25

Developer Ergonomics 4.3 / 20

Access Clarity 9.5 / 20

Operational Transparency 4.4 / 13

Contract Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 29/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

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.

Open Collections 12

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

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.

Scopes 1

OAuth scopes governing access to this provider's APIs.

Fulfil Io Scopes

2 scopes · authorizationCode

2 scopes

SCOPES

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

Website

Website

Source (apis.yml)

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
tags_raw:
- ERP
- E-commerce
- Order Management
- Inventory
- Warehouse Management
- Manufacturing
- Operations
created: '2026-07-04'
modified: '2026-07-04'
specificationVersion: '0.23'
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:
  - Webhook
  tags_raw:
  - 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

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