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Meow API (1.0.0)

Overview

The Meow API provides comprehensive financial services and billing capabilities for businesses.

Core Features

  • Financial Data Access: Securely access account information, transactions, balances, and payment networks
  • USDC Operations: Create and manage cryptocurrency contacts, initiate USDC transfers across multiple blockchain networks

Billing API

The Billing API enables businesses to streamline their invoicing and payment collection:

  • Product Management: Create and manage products with customizable pricing
  • Customer Management: Maintain invoicing customers with billing addresses
  • Invoice Creation: Generate invoices with line items, discounts, and custom notes
  • Flexible Payment Options: Accept payments via bank transfer, ACH, cards, international wires, and USDC
  • Collection Accounts: Configure accounts for automated payment collection

Getting Started

Authenticate using your API key in the request header: x-api-key: your-api-key

For multi-entity access, you can optionally include the x-entity-id header to scope API requests to a specific entity. Use the /api-keys/accessible-entities endpoint to list all entities accessible by your API key.

Error Responses

Errors return JSON with code, message, and debug_message. The code aligns with FDX where possible; debug_message is for troubleshooting only.

Common error codes:

  • 500: Internal server error
  • 501: Subsystem unavailable
  • 503: Scheduled maintenance
  • 601: Data not found
  • 602: Customer not authorized
  • 701: Account not found
  • 703: Invalid input (including invalid date ranges)
  • 704: Account type not supported
  • 705: Account is closed
  • 801: Transaction not found
Download OpenAPI description
index.json
index.yaml
Overview
URL
https://meow.com/
Meow
support@meow.com
License
Proprietary
Languages
Servers
Mock server
https://docs.meow.com/_mock/meow_api
Meow API Production
https://api.meow.com/v1
Meow API Sandbox
https://api.sandbox.meow.com/v1

API Keys

Retrieve metadata about API keys and their accessible entities

Operations

Contacts

Manage USDC contacts for cryptocurrency transfers

Operations

List Contacts

Request

Returns a list of all contacts.

Security
apiKeyAuth
Query
nickname_queryNickname Query (string) or Nickname Query (null)(Nickname Query)

Optional filter to search contacts by nickname

Any of:

Optional filter to search contacts by nickname

string(Nickname Query)
Headers
x-entity-idstring(uuid)

Optional entity ID for scoped access to entity-specific data

curl -i -X GET \
  'https://docs.meow.com/_mock/meow_api/contacts?nickname_query=string' \
  -H 'x-api-key: YOUR_API_KEY_HERE' \
  -H 'x-entity-id: 497f6eca-6276-4993-bfeb-53cbbbba6f08'

Responses

Successful Response

Bodyapplication/json
contactsArray of objects(Contacts)required

List of contacts

contacts[].​idstring(uuid)(Id)required

The unique identifier for the contact

contacts[].​nicknamestring(Nickname)[ 1 .. 400 ] charactersrequired

A nickname or display name for the contact

contacts[].​emailEmail (string) or Email (null)(Email)

The email address of the contact

Any of:

The email address of the contact

string(email)(Email)
contacts[].​addressMeowApiAddress (object) or null

The physical address of the contact

Any of:

The physical address of the contact

contacts[].​payment_methodsobject(CustomerApiPaymentMethods)required

Payment methods associated with this contact

contacts[].​payment_methods.​achCustomerApiAchPaymentMethod (object) or null

ACH payment method details

Any of:

ACH payment method details

contacts[].​payment_methods.​wireCustomerApiWirePaymentMethod (object) or null

Wire payment method details

Any of:

Wire payment method details

contacts[].​payment_methods.​checkCustomerApiCheckPaymentMethod (object) or null

Check payment method details

Any of:

Check payment method details

contacts[].​payment_methods.​internationalCustomerApiInternationalPaymentMethod (object) or null

International payment method details

Any of:

International payment method details

contacts[].​payment_methods.​cryptoArray of objects(Crypto)

List of crypto delivery destinations

contacts[].​payment_methods.​static_memosArray of objects(Static Memos)

List of static memo destinations

contacts[].​supported_payment_methodsArray of strings(Supported Payment Methods)required

List of payment methods supported by this contact

Items Enum"ach""wire""check""international""crypto""static_memo"
contacts[].​last_payment_reasonExtAwxPaymentReason (string) or null

The reason for the last payment made to this contact

Any of:

The reason for the last payment made to this contact

string(ExtAwxPaymentReason)
Enum"audio_visual_services""bill_payment""business_expenses""construction""donation_charitable_contribution""education_training""family_support""freight""goods_purchased""investment_capital"
Response
application/json
{
  "contacts": [
    { … }
  ]
}

Delete a Contact

Request

Deletes a contact.

Security
apiKeyAuth
Path
contact_idstring(uuid)(Contact Id)required

The unique identifier of the contact to delete

Headers
x-entity-idstring(uuid)

Optional entity ID for scoped access to entity-specific data

curl -i -X DELETE \
  'https://docs.meow.com/_mock/meow_api/contacts/{contact_id}' \
  -H 'x-api-key: YOUR_API_KEY_HERE' \
  -H 'x-entity-id: 497f6eca-6276-4993-bfeb-53cbbbba6f08'

Responses

Successful Response

Response
No content

Update Contact

Request

Updates an existing contact and optionally adds new payment details.

Security
apiKeyAuth
Path
contact_idstring(uuid)(Contact Id)required

Contact identifier.

Headers
x-entity-idstring(uuid)

Optional entity ID for scoped access to entity-specific data

Bodyapplication/jsonrequired
nicknameNickname (string) or Nickname (null)(Nickname)
Any of:
[ 1 .. 300 ] characters
string(Nickname)[ 1 .. 300 ] characters
emailEmail (string) or Email (null)(Email)
Any of:
string(email)(Email)
addressMeowAddressRequest (object) or null
Any of:
counterpartyCounterpartyDetailsRequest (object) or null
Any of:
curl -i -X PATCH \
  'https://docs.meow.com/_mock/meow_api/contacts/{contact_id}' \
  -H 'Content-Type: application/json' \
  -H 'x-api-key: YOUR_API_KEY_HERE' \
  -H 'x-entity-id: 497f6eca-6276-4993-bfeb-53cbbbba6f08' \
  -d '{
    "nickname": "string",
    "email": "user@example.com",
    "address": {
      "street_line_1": "string",
      "street_line_2": "string",
      "city": "string",
      "state": "string",
      "country": "AW",
      "postal_code": "string"
    },
    "counterparty": {
      "ach": {
        "account_number": "string",
        "account_type": "checking",
        "routing_number": "stringstr",
        "address_on_account": {
          "street_line_1": "string",
          "street_line_2": "string",
          "city": "string",
          "state": "str",
          "country": "AW",
          "postal_code": "string"
        }
      },
      "wire": {
        "account_number": "string",
        "routing_number": "stringst",
        "address_on_account": {
          "street_line_1": "string",
          "street_line_2": "string",
          "city": "string",
          "state": "str",
          "country": "AW",
          "postal_code": "string"
        },
        "bank_address": {
          "street_line_1": "string",
          "street_line_2": "string",
          "city": "string",
          "state": "str",
          "country": "AW",
          "postal_code": "string"
        },
        "bank_name": "string",
        "intermediary_bank": {
          "name": "string",
          "routing_number": "stringstr",
          "address": {
            "street_line_1": "string",
            "street_line_2": "string",
            "city": "string",
            "state": "str",
            "country": "AW",
            "postal_code": "string"
          }
        }
      },
      "check": {
        "address": {
          "street_line_1": "string",
          "street_line_2": "string",
          "city": "string",
          "state": "str",
          "country": "AW",
          "postal_code": "string"
        },
        "created_time": "2019-08-24T14:15:22Z",
        "updated_time": "2019-08-24T14:15:22Z"
      },
      "name_on_account": "string",
      "nickname": "string",
      "plaid_processor_token": "string",
      "email": "user@example.com",
      "company_ids": [
        "string"
      ]
    }
  }'

Responses

Successful Response

Bodyapplication/json
idstring(uuid)(Id)required

The unique identifier for the contact

nicknamestring(Nickname)[ 1 .. 400 ] charactersrequired

A nickname or display name for the contact

emailEmail (string) or Email (null)(Email)

The email address of the contact

Any of:

The email address of the contact

string(email)(Email)
addressMeowApiAddress (object) or null

The physical address of the contact

Any of:

The physical address of the contact

payment_methodsobject(CustomerApiPaymentMethods)required

Payment methods associated with this contact

payment_methods.​achCustomerApiAchPaymentMethod (object) or null

ACH payment method details

Any of:

ACH payment method details

payment_methods.​wireCustomerApiWirePaymentMethod (object) or null

Wire payment method details

Any of:

Wire payment method details

payment_methods.​checkCustomerApiCheckPaymentMethod (object) or null

Check payment method details

Any of:

Check payment method details

payment_methods.​internationalCustomerApiInternationalPaymentMethod (object) or null

International payment method details

Any of:

International payment method details

payment_methods.​cryptoArray of objects(Crypto)

List of crypto delivery destinations

payment_methods.​static_memosArray of objects(Static Memos)

List of static memo destinations

supported_payment_methodsArray of strings(Supported Payment Methods)required

List of payment methods supported by this contact

Items Enum"ach""wire""check""international""crypto""static_memo"
last_payment_reasonExtAwxPaymentReason (string) or null

The reason for the last payment made to this contact

Any of:

The reason for the last payment made to this contact

string(ExtAwxPaymentReason)
Enum"audio_visual_services""bill_payment""business_expenses""construction""donation_charitable_contribution""education_training""family_support""freight""goods_purchased""investment_capital"
Response
application/json
{
  "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
  "nickname": "string",
  "email": "user@example.com",
  "address": {
    "street_line_1": "string",
    "street_line_2": "string",
    "city": "string",
    "state": "str",
    "country": "AW",
    "postal_code": "string"
  },
  "payment_methods": {
    "ach": { … },
    "wire": { … },
    "check": { … },
    "international": { … },
    "crypto": [ … ],
    "static_memos": [ … ]
  },
  "supported_payment_methods": [
    "ach"
  ],
  "last_payment_reason": "audio_visual_services"
}

Accounts

Access and manage financial accounts

Operations

Transactions

View account transaction history and details

Operations

Balances

Check account balances and available funds

Operations

Payment Networks

Manage payment networks and routing information

Operations

Transfers

Initiate and manage USDC transfers

Operations

Routing Numbers

Validate routing numbers and get bank information

Operations

Bill

View and manage bills for vendor payments

Operations

Products

Manage products and pricing for invoicing

Operations

Customers

Manage billing customers and their information

Operations

Invoices

Create and manage invoices

Operations

Line Items

Manage invoice line items

Operations

Payment Methods

Configure available payment methods

Operations

Collection Accounts

Manage accounts for payment collection

Operations