> ## Documentation Index > Fetch the complete documentation index at: https://docs.tender.cash/llms.txt > Use this file to discover all available pages before exploring further. # Initiate Payment > Create a new cryptocurrency payment transaction **Auth method: Basic (Access ID)** — this endpoint only requires your `x-access-id` header. No request signing is needed. See [Authentication](/api-reference/authentication#basic-access-id-authentication). ## Headers Your API access ID provided by Tender **Example:** `"your-access-id-here"` Media type of the request body **Example:** `"application/json"` ## Body Payment amount in the specified currency **Example:** `"1.023"` Blockchain network to use for the transaction **Example:** `"avalanche"` Cryptocurrency coin for the payment **Example:** `"avalanche"` Optional reference or transaction ID for your own tracking purposes **Example:** `"ORDER-12345"` Optional metadata attached to the payment The customer's email address **Example:** `"customer@example.com"` ## Response Status of the API request **Example:** `"success"` Human-readable message describing the result **Example:** `"success"` The initiated payment transaction details (uses formatTransactionResponse structure) Unique MongoDB identifier for the transaction **Example:** `"66aec7de809b7f45c42a49f9"` Transaction type **Example:** `"receive"` Blockchain network used **Example:** `"avalanche"` Detailed blockchain network information Chain MongoDB ID **Example:** `"64f782bb4278fc475eb30e29"` Chain display name **Example:** `"Avalanche"` Chain icon URL **Example:** `"https://example.com/avalanche.png"` Chain identifier **Example:** `"avalanche"` Native coin symbol **Example:** `"AVAX"` Chain status **Example:** `"active"` Blockchain explorer URL **Example:** `"https://snowtrace.io"` Type of blockchain **Example:** `"evm"` Whether pre-funded wallets are allowed **Example:** `false` Whether this supports multiple chains **Example:** `false` RPC endpoint URL **Example:** `"https://api.avax.network/ext/bc/C/rpc"` Chain category type **Example:** `"blockchain"` ISO 8601 timestamp **Example:** `"2023-05-29T21:07:27.509Z"` ISO 8601 timestamp **Example:** `"2023-05-29T21:07:27.509Z"` Detailed currency information Currency MongoDB ID **Example:** `"64fc4cda43812c15552311d7"` Currency identifier **Example:** `"avalanche"` Currency full name **Example:** `"Avalanche"` Currency icon URL **Example:** `"https://example.com/avax.png"` Whether this is a smart contract token **Example:** `false` Supported blockchain networks **Example:** `["avalanche"]` Currency symbol **Example:** `"AVAX"` Price tracking identifier **Example:** `"avalanche-2"` Transaction fee **Example:** `"0.001"` Currency status **Example:** `"active"` Currency type **Example:** `"native"` ISO 8601 timestamp **Example:** `"2023-05-29T21:07:27.509Z"` ISO 8601 timestamp **Example:** `"2023-05-29T21:07:27.509Z"` Destination wallet address for payment **Example:** `"0x40b95eddeeac0776ebefc3963bb9ba7d22cbd065"` Index of the wallet address **Example:** `"7"` Amount in cryptocurrency **Example:** `"0.023741"` Equivalent amount in USD **Example:** `"1.02"` Amount in the specified cryptocurrency **Example:** `"0.023741"` Transaction fee in cryptocurrency **Example:** `"0.00023741"` Transaction fee in USD **Example:** `"0.0102"` Whether the fee has been sent **Example:** `false` Wallet activation fee if applicable **Example:** `"0"` Wallet activation fee in USD **Example:** `"0"` Exchange rate used for conversion **Example:** `"43.09"` Agent details receiving the payment Agent MongoDB ID **Example:** `"6538eaaebdec6d1a21978e6a"` Agent first name **Example:** `"John"` Agent last name **Example:** `"Doe"` Agent email address **Example:** `"john@example.com"` Agent avatar URL **Example:** `"https://example.com/avatar.jpg"` Agent phone number **Example:** `"+1234567890"` Agent location **Example:** `"New York, USA"` Total sales amount **Example:** `"1500.50"` Agent country **Example:** `"USA"` Agent address **Example:** `"123 Main St"` Whether agent is active **Example:** `true` Agent unique identifier **Example:** `"AGT-001"` Agent wallet balance **Example:** `"500.00"` Associated merchant ID **Example:** `"6538e8f9bdec6d1a21978a64"` Agent's default fiat currency settings Currency code **Example:** `"USD"` Conversion rate **Example:** `"1"` Whether to use system rate **Example:** `true` Merchant details associated with the transaction Merchant MongoDB ID **Example:** `"6538e8f9bdec6d1a21978a64"` Merchant first name **Example:** `"Jane"` Merchant last name **Example:** `"Smith"` Merchant email address **Example:** `"jane@example.com"` Merchant avatar URL **Example:** `"https://example.com/merchant-avatar.jpg"` Merchant phone number **Example:** `"+1234567890"` Whether merchant is active **Example:** `true` Merchant logo URL **Example:** `"https://example.com/logo.png"` Merchant business name **Example:** `"Example Store"` Merchant description **Example:** `"Online retail store"` Two-factor authentication status **Example:** `false` KYC verification status **Example:** `false` KYC submission status **Example:** `false` Instant conversion enabled **Example:** `false` Default currency **Example:** `"USD"` Merchant wallet balance **Example:** `"1000.00"` Whether merchant is deleted **Example:** `false` Whether wallet was regenerated **Example:** `false` Whether funds have been transferred **Example:** `false` Smart contract address (empty for native tokens) **Example:** `""` Current status of the transaction **Example:** `"pending"` Whether payment is blacklisted **Example:** `false` Actual amount received **Example:** `"0"` Amount received in USD **Example:** `"0"` Balance still required **Example:** `"0.023741"` Balance required in USD **Example:** `"1.02"` Whether this is a partial payment **Example:** `false` Amount in agent's local currency **Example:** `"1.023"` Amount received in agent's currency **Example:** `"0"` Balance required in agent's currency **Example:** `"1.023"` Unique transaction identifier **Example:** `"66aec7de809b7f45c42a49f9"` ISO 8601 timestamp when the transaction was created **Example:** `"2023-05-29T21:07:27.509Z"` ISO 8601 timestamp when the transaction was last updated **Example:** `"2023-05-29T21:07:27.509Z"` ## OpenAPI ````yaml POST /v1/api/payment/initiate openapi: 3.1.0 info: title: Tender API description: Tender Developer API for cryptocurrency payments and agent management version: 1.0.0 contact: name: Tender Support url: https://tender.cash servers: - url: https://secureapi.tender.cash description: Production Server - url: https://sandbox-api.tender.cash description: Sandbox Server security: - SignedAuth: [] tags: - name: Agents description: Manage agents and sub-businesses - name: Transactions description: Payment and transaction operations - name: System description: System information and configuration - name: Webhooks description: Webhook management and logs - name: On-ramp description: Fiat-to-crypto on-ramp operations - name: Payouts description: Send crypto from merchant balance to a wallet address or payout account - name: Subwallets description: Provision and manage crypto wallet infrastructure for your end-users paths: /v1/api/payment/initiate: post: tags: - Transactions summary: Initiate Payment description: Create a new payment transaction operationId: initiatePayment parameters: - name: x-access-id in: header required: true description: Your API access ID provided by Tender schema: type: string example: your-access-id-here - name: Content-Type in: header required: true description: Media type of the request body schema: type: string example: application/json requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/InitiatePaymentRequest' example: amount: '10.00' chain: ethereum coin: usdc reference: ORDER-12345 meta: customerEmail: customer@example.com responses: '200': description: Payment initiated successfully content: application/json: schema: $ref: '#/components/schemas/InitiatePaymentResponse' security: - AccessIdAuth: [] components: schemas: InitiatePaymentRequest: type: object required: - amount - chain - coin properties: amount: type: string description: Payment amount example: '1.023' chain: type: string description: Blockchain network example: avalanche coin: type: string description: Cryptocurrency coin example: avalanche reference: type: string description: Optional reference or transaction ID for your own tracking purposes example: ORDER-12345 meta: type: object description: Optional metadata attached to the payment properties: customerEmail: type: string format: email description: The customer's email address example: customer@example.com InitiatePaymentResponse: type: object properties: status: type: string message: type: string data: type: object properties: type: type: string chain: type: string chainId: type: string amount: type: string agentId: type: string merchantId: type: string usdAmount: type: string coinAmount: type: string fee: type: number feeUSD: type: number feeSent: type: boolean rate: type: number walletAddress: type: string walletAddressIndex: type: integer currency: type: string activationFee: type: number activationFeeUSD: type: number contractAddress: type: string nullable: true agentAmount: type: string agentRate: type: string agentCurrency: type: string txId: type: string securitySchemes: SignedAuth: type: apiKey in: header name: authorization description: >- Signed (HMAC) authentication. Required headers: x-access-id, x-request-id (UUID v4), x-timestamp (ISO 8601), and authorization (Base64 HMAC-SHA256 signature of {timeStamp, requestId, accessId} using your access secret). AccessIdAuth: type: apiKey in: header name: x-access-id description: >- Basic (Access ID) authentication. Only the x-access-id header is required; no request signing. ````