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Documentation Index

Fetch the complete documentation index at: https://developer.meow.com/llms.txt

Use this file to discover all available pages before exploring further.

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May 22, 2026
New Feature
Webhooks: subscribe to events and inspect deliveries
  • POST /webhooks/subscriptions to subscribe. Choose payload_mode: snapshot (full resource) or thin ({id, object}).
  • 13 events across ACH, wire, inbound transactions, check deposits, and global accounts. Dispatch on data.status.
  • Signed with Standard Webhooks headers.
  • GET /webhooks/deliveries and /attempts for history; POST /webhooks/deliveries/{id}/redrive to replay one.
  • New scopes: webhooks:read, webhooks:write.
  • Guide · event catalog.
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May 15, 2026
New Feature
Cards: PATCH /cards/{card_id} to freeze, unfreeze, or update spend limits on a cardTax Forms: GET /tax-forms and GET /tax-forms/{taxFormId} to retrieve IRS 1099 tax formsInstant payments: FedNow supported as a payment rail
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April 26, 2026
New Feature
Partner Onboarding API: Submit and track partner onboarding applications
  • POST /partner-onboarding/applications - Create an application
  • GET /partner-onboarding/applications - List applications
  • GET /partner-onboarding/applications/{application_id} - Get application details
  • POST /partner-onboarding/applications/{application_id}/upload-url - Get a presigned upload URL
  • POST /partner-onboarding/applications/{application_id}/confirm-document - Confirm a document upload
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April 13, 2026
New Feature
Approval Workflow: Programmatic transfers now flow through configurable approval policies
  • Pending-approval state surfaced to API callers
  • Mutating endpoints honor entity-level approval requirements
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April 9, 2026
New FeatureImprovement
Payment Networks: GET /accounts/{account_id}/payment-networks now returns deposit instruction fields for each supported methodAudit Logging: Structured audit logs added to all mutating Meow API endpoints
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April 2, 2026
New Feature
Wallet Transfers: The Meow API now supports transfers from Global Account wallets
  • crypto_id accepted on wallet crypto transfers; currency is derived from the destination
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March 27, 2026
Improvement
Invoices: Added lifecycle tracking fields (e.g., paid_at, voided_at, sent_at) to Invoice responses
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March 25, 2026
New Feature
MCP Server: New MCP server for the Meow API with OAuth
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March 16, 2026
New FeatureDeprecated
Crypto Transaction API: New endpoint for crypto transfers
  • GET /accounts/{account_id}/crypto/{transaction_id} - Get crypto transaction details
  • POST /accounts/{account_id}/crypto - Create crypto transaction (replaces legacy USDC endpoint)
  • New API scope: transfers:crypto:write
Check Deposit API: New endpoint for check deposit details
  • GET /accounts/{account_id}/check-deposits/{transaction_id} - Get check deposit details
Deprecated
  • POST /accounts/{account_id}/usdc - Use POST /accounts/{account_id}/crypto instead
  • GET /accounts/{account_id}/transactions/{transaction_id} - Use GET /accounts/{account_id}/crypto/{transaction_id} instead
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March 14, 2026
New Feature
Treasury Products: Commercial paper and liquid treasuries holdings exposed in the Meow API
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March 7, 2026
New Feature
Transfer Lookup: ACH and wire transfer GET endpoints now resolve Global Account-originated transfers
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March 2, 2026
Improvement
  • Clarified that wire and ACH transfer GET endpoints return details for both incoming and outgoing transfers
  • Updated Transfers tag description to include all transfer types
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January 28, 2026
New Feature
Billpay API: Bill management endpoints
  • GET /bills - List all bills with optional status filtering and pagination
  • GET /bills/{bill_id} - Get bill details including line items
  • New API scope: billpay:read
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January 26, 2026
Deprecated
Crypto Fees: Removed total_fee_percentage from crypto transaction API responses (use the per-fee breakdown instead)
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December 28, 2025
New FeatureImprovement
Scheduled ACH Transfers: Create and manage scheduled ACH transfers
  • POST /accounts/{account_id}/ach/scheduled - Create a scheduled ACH transfer
  • GET /accounts/{account_id}/ach/scheduled - List scheduled ACH transfers
  • transferMethod query parameter on transaction list endpoint to filter by transfer method (e.g., INCOMING_ACH, OUTGOING_WIRE, CARD)
Improvement
  • Updated first_occurrence field in recurring payment schemas to use Timestamp reference type
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December 18, 2025
New Feature
ACH Transfer Details: Retrieve specific ACH transfer information
  • GET /accounts/{account_id}/achs/{ach_transfer_id} - Get ACH transfer details
  • RETURNED status added to TransferStatus enum
  • CASH_SOLANA added to PaymentMethodType enum
  • internal_note field added to wire transfer response
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December 2, 2025
New Feature
Contacts API: Full CRUD operations for managing payment contacts
  • POST /contacts - Create a new contact with ACH/wire/check or crypto address details
  • GET /contacts - List all contacts with optional nickname filtering
  • GET /contacts/{contact_id} - Get contact details
  • PATCH /contacts/{contact_id} - Update contact information and add payment details
  • DELETE /contacts/{contact_id} - Delete a contact
  • New API scopes: contacts:read and contacts:write
Billing API: Complete invoice management system
  • Products: GET /billing/products, POST /billing/products, GET /billing/products/{product_id}
  • Customers: GET /billing/customers, POST /billing/customers, GET /billing/customers/{customer_id}
  • Invoices: GET /billing/invoices, POST /billing/invoices, GET /billing/invoices/{invoice_id}, GET /billing/invoices/{invoice_id}/pdf
  • Line Items: GET /billing/invoices/{invoice_id}/line-items, GET /billing/invoices/{invoice_id}/line-items/{line_item_id}
  • Payment Config: GET /billing/payment-method-types, GET /billing/accounts
  • New API scopes: billing:products:read/write, billing:customers:read/write, billing:invoices:read/write, billing:accounts:read
  • Recurring invoice support with RFC 2445 RRULE scheduling
  • Invoice email notifications with custom recipient lists
Transfer APIs: Comprehensive transfer capabilities
  • POST /accounts/{account_id}/book - Create internal book transfers between accounts
  • POST /accounts/{account_id}/ach - Create ACH transfers to external counterparties
  • POST /accounts/{account_id}/wire - Create wire transfers to external counterparties
  • GET /accounts/{account_id}/wires/{wire_transfer_id} - Get wire transfer details
  • New API scopes: transfers:book:write, transfers:ach:write, transfers:wire:write
Payment Networks API:
  • GET /accounts/{account_id}/payment-networks - List payment networks supported by an account
Routing Number Validation:
  • GET /routing-numbers/{routing_number} - Validate routing numbers and get bank information
API Keys Management:
  • GET /api-keys/accessible-entities - List all entities accessible by the current API key
  • GET /api-keys/current - Get metadata about the current API key
Multi-entity Support:
  • Optional x-entity-id header to scope API requests to specific entities
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April 8, 2025
New Feature
Combined Read and Write APIs into a single unified Meow API.Accounts API: Comprehensive financial data access
  • GET /accounts - List bank accounts
  • GET /accounts/{account_id} - Get account details
  • GET /accounts/{account_id}/transactions - List transactions with time filtering and pagination
  • GET /accounts/{account_id}/balances - List account balances with time filtering
  • New API scopes: accounts:read, accounts:transactions, accounts:balances
USDC Transaction Support:
  • POST /accounts/{account_id}/usdc - Create USDC transactions
  • GET /accounts/{account_id}/transactions/{transaction_id} - Get USDC transaction details
  • New API scope: transfers:usdc:write
  • Support for multiple blockchain networks: Ethereum, Solana, Base
Health Check:
  • GET /health - API service health status endpoint
Authentication & Security:
  • API key authentication via x-api-key header
  • Standardized error handling with detailed validation responses
  • Scoped API permissions for granular access control