> ## Documentation Index > Fetch the complete documentation index at: https://docs.augustus.com/llms.txt > Use this file to discover all available pages before exploring further. > ## Agent Instructions > Treat the published Augustus OpenAPI specification (https://api.augustus.com/openapi/2026-05-01.json) and the current API-reference pages as the source of truth for endpoints, request/response schemas, enum values, webhook event names, and required headers. > Prefer the 2026-05-01 Banking API and @augustusbank/typescript-sdk for all new integrations. The 2023-01-01 API is a separate surface covering the Pay by Bank products — Instant Bank Transfer (Open Banking) checkout and refunds, and Manual Bank Transfer (MBT); use it when one of those products is required. > Cite or link the relevant docs.augustus.com page when answering integration questions. > Do not infer support for currencies, networks, scopes, account types, or operations that are not present in the current documentation. > Use the sandbox base URL (https://api.sandbox.augustus.com) and placeholder credentials in examples. Never include or request a real API key. > The Augustus docs MCP server (https://docs.augustus.com/mcp) provides documentation search and retrieval only; it does not execute authenticated Augustus API actions. # Activate counterparty > Activates a pending counterparty owned by the merchant. A fiat counterparty becomes active immediately; a crypto counterparty starts verification and stays pending until it concludes. ## OpenAPI ````yaml https://api.augustus.com/openapi/2026-05-01.json post /v1/counterparties/{id}/activate openapi: 3.1.0 info: title: Augustus Banking API description: Augustus Banking API version: 0.1.0 contact: name: Augustus url: https://docs.augustus.com email: developer@augustus.com servers: - url: https://api.augustus.com description: Production - url: https://api.sandbox.augustus.com description: Sandbox security: - BearerAuth: [] tags: [] paths: /v1/counterparties/{id}/activate: post: tags: - Counterparties summary: Activate counterparty description: >- Activates a pending counterparty owned by the merchant. A fiat counterparty becomes active immediately; a crypto counterparty starts verification and stays pending until it concludes. operationId: CounterpartiesController_activate parameters: - name: id required: true in: path description: Unique identifier of the counterparty. schema: type: string format: uuid - name: Idempotency-Key in: header description: >- Idempotency key for safe retries. Reusing a key with an identical request body returns the cached response. Reusing a key with a different body returns 409. required: true schema: type: string responses: '200': description: The counterparty content: application/json: schema: $ref: '#/components/schemas/CounterpartyResourceDto' components: schemas: CounterpartyResourceDto: type: object properties: status: type: string enum: - pending - active - rejected description: Counterparty lifecycle status. Blocking is separate. example: active id: type: string format: uuid description: Unique identifier of the counterparty. type: type: string description: Resource type discriminator. enum: - counterparty name: type: string description: Name of the counterparty, or null if not recorded. example: Acme Sandbox Ltd. nullable: true entity_type: type: string enum: - business - individual - non_profit - sole_proprietor description: Classification of the counterparty. example: business physical_address: type: object properties: line_1: type: string description: Primary street address, or null if not recorded. example: 548 Market St nullable: true line_2: type: string description: Secondary street address, or null if not recorded. example: Apartment 4B nullable: true city: type: string description: City or locality. example: San Francisco postal_code: type: string description: Postal or ZIP code, or null if not recorded. example: '94103' nullable: true state: type: string description: State, province, or region, or null if not recorded. example: CA nullable: true country_code: $ref: '#/components/schemas/Alpha2Code' example: US description: ISO 3166-1 alpha-2 country code. required: - line_1 - line_2 - city - postal_code - state - country_code additionalProperties: false description: Physical address of the counterparty, or null if not recorded. nullable: true financial_address: oneOf: - $ref: '#/components/schemas/AbaFinancialAddress' - $ref: '#/components/schemas/IbanFinancialAddress' - $ref: '#/components/schemas/SortCodeFinancialAddress' - $ref: '#/components/schemas/BicFinancialAddress' - $ref: '#/components/schemas/CryptoWalletFinancialAddress' description: Financial address of the counterparty. date_of_birth: type: string format: date description: Date of birth in YYYY-MM-DD format, or null if not recorded. example: '1990-01-15' nullable: true phone: type: string description: Phone number of the counterparty, or null if not recorded. example: +55 11 91234 5678 nullable: true email: type: string description: Email address of the counterparty, or null if not recorded. example: finance@example.com nullable: true legal_id: type: string description: >- National tax or identity number of the counterparty, or null if not recorded. example: 12.345.678/0001-95 nullable: true is_self_owned: type: boolean description: >- Whether the counterparty is self-owned. `false` if the counterparty is not owned by you, `true` if it is. example: false blocked: type: boolean description: Whether payments to or from this counterparty are currently blocked. example: false metadata: type: object additionalProperties: type: string maxLength: 500 description: >- Set of up to 50 key-value string pairs you can attach to store structured information, such as correlating this resource with an object in your own system. Keys may be up to 40 characters and values up to 500 characters. example: invoice_id: INV-2026-0042 required: - status - id - type - name - entity_type - physical_address - financial_address - date_of_birth - phone - email - legal_id - is_self_owned - blocked - metadata additionalProperties: false Alpha2Code: type: string enum: - AF - AL - DZ - AS - AD - AO - AI - AQ - AG - AR - AM - AW - AU - AT - AZ - BS - BH - BD - BB - BY - BE - BZ - BJ - BM - BT - BO - BA - BW - BV - BR - IO - BN - BG - BF - BI - KH - CM - CA - CV - KY - CF - TD - CL - CN - CX - CC - CO - KM - CG - CD - CK - CR - CI - HR - CU - CY - CZ - DK - DJ - DM - DO - EC - EG - SV - GQ - ER - EE - ET - FK - FO - FJ - FI - FR - GF - PF - TF - GA - GM - GE - DE - GH - GI - GR - GL - GD - GP - GU - GT - GN - GW - GY - HT - HM - VA - HN - HK - HU - IS - IN - ID - IR - IQ - IE - IL - IT - JM - JP - JO - KZ - KE - KI - KP - KR - KW - KG - LA - LV - LB - LS - LR - LY - LI - LT - LU - MO - MG - MW - MY - MV - ML - MT - MH - MQ - MR - MU - YT - MX - FM - MD - MC - MN - MS - MA - MZ - MM - NA - NR - NP - NL - NC - NZ - NI - NE - NG - NU - NF - MP - MK - 'NO' - OM - PK - PW - PS - PA - PG - PY - PE - PH - PN - PL - PT - PR - QA - RE - RO - RU - RW - SH - KN - LC - PM - VC - WS - SM - ST - SA - SN - SC - SL - SG - SK - SI - SB - SO - ZA - GS - ES - LK - SD - SR - SJ - SZ - SE - CH - SY - TW - TJ - TZ - TH - TL - TG - TK - TO - TT - TN - TR - TM - TC - TV - UG - UA - AE - GB - US - UM - UY - UZ - VU - VE - VN - VG - VI - WF - EH - YE - ZM - ZW - AX - BQ - CW - GG - IM - JE - ME - BL - MF - RS - SX - SS - XK example: DE AbaFinancialAddress: type: object properties: type: type: string description: Discriminator for ABA wire financial address. enum: - aba routing_number: type: string description: ABA routing number (9 digits). account_number: type: string description: Bank account number. account_holder_name: type: string description: Name of the account holder. account_type: type: string enum: - checking - savings - null description: >- Whether the account is a checking or a savings account, or null if not provided. nullable: true required: - type - routing_number - account_number - account_holder_name - account_type additionalProperties: false title: ABA example: type: aba routing_number: '110000000' account_number: '000123456789' account_holder_name: Acme Sandbox Ltd. account_type: checking IbanFinancialAddress: type: object properties: type: type: string description: Discriminator for IBAN financial address. enum: - iban iban: type: string description: International Bank Account Number. account_holder_name: type: string description: Name of the account holder. bic: type: string description: Bank Identifier Code, or null if not provided. nullable: true account_type: type: string enum: - checking - savings - null description: >- Whether the account is a checking or a savings account, or null if not provided. nullable: true required: - type - iban - account_holder_name - bic - account_type additionalProperties: false title: IBAN example: type: iban iban: DE89370400440532013000 account_holder_name: Acme Sandbox Ltd. bic: COBADEFFXXX account_type: checking SortCodeFinancialAddress: type: object properties: type: type: string description: Discriminator for UK sort code financial address. enum: - sort_code sort_code: type: string description: UK sort code (6 digits). account_number: type: string description: UK account number (8 digits). account_holder_name: type: string description: Name of the account holder. required: - type - sort_code - account_number - account_holder_name additionalProperties: false title: UK Sort Code example: type: sort_code sort_code: '040075' account_number: '37778842' account_holder_name: Acme Sandbox Ltd. BicFinancialAddress: type: object properties: type: type: string description: Discriminator for BIC + local account financial address. enum: - bic bic: type: string description: ISO 9362 Bank Identifier Code (8 or 11 characters). account_number: type: string description: Local-format bank account number. account_holder_name: type: string description: Name of the account holder. local_bank_code: type: string description: >- Domestic bank or branch code where the destination country uses one (for example the BSB in Australia), or null. nullable: true account_type: type: string enum: - checking - savings - null description: >- Whether the account is a checking or a savings account, or null if not provided. nullable: true required: - type - bic - account_number - account_holder_name - local_bank_code - account_type additionalProperties: false title: BIC example: type: bic bic: ANZBAU3MXXX account_number: '123456789' account_holder_name: Acme Sandbox Pty Ltd. local_bank_code: '012003' account_type: checking CryptoWalletFinancialAddress: type: object properties: type: type: string description: Discriminator for crypto wallet financial address. enum: - crypto_wallet address: type: string description: Wallet address on the specified blockchain. blockchain: type: string enum: - bitcoin - ethereum - solana - polygon - bitcoin_testnet4 - ethereum_sepolia - solana_devnet - polygon_amoy description: Blockchain network for the crypto wallet. example: ethereum_sepolia required: - type - address - blockchain additionalProperties: false title: Wallet example: type: crypto_wallet address: '0x1111111111111111111111111111111111111111' blockchain: ethereum_sepolia securitySchemes: BearerAuth: scheme: bearer bearerFormat: JWT type: http description: Bearer token for authentication with Augustus Banking API ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.