> ## Documentation Index > Fetch the complete documentation index at: https://docs.payments.sardine.ai/llms.txt > Use this file to discover all available pages before exploring further. # Post Customer Information > Send User information to Sardine to store theie information and create a risk profile ## OpenAPI ````yaml /api_reference/nft.yaml post /customers openapi: 3.1.0 info: version: '1.0' title: NFT API summary: API to enable direct NFT purchasing description: Reference for Sardine Crypto API servers: - url: https://api.sandbox.sardine.ai/v1 description: Sandbox - url: https://api.sardine.ai/v1 description: Prod Server security: - {} paths: /customers: post: tags: - Customers summary: Post Customer Information description: >- Send User information to Sardine to store theie information and create a risk profile operationId: post-customers requestBody: content: application/json: schema: type: object properties: flow: type: string description: Merchant defined string that defines the flow the user is in minLength: 1 examples: - login, onboarding,kyc-ssn sessionKey: type: string description: uuid that identifies the given customer session format: uuid minLength: 1 customer: type: object properties: id: type: string description: >- User ID hash. Please use the same value as passed to device intelligence SDK format: uuid minLength: 1 taxId: type: string description: SSN or equivalent minLength: 1 examples: - '778131234' firstName: type: string description: First name of customer minLength: 1 examples: - John lastName: type: string description: Last name of customer minLength: 1 examples: - Doe dateOfBirth: type: string description: Date of birth in YYYY-MM-DD format: date-time minLength: 1 examples: - '1990-08-15' address: type: object properties: street1: type: string description: Street name minLength: 1 examples: - 1 Main St city: type: string description: City name minLength: 1 examples: - Okhlahoma regionCode: type: string description: 2 digit State or province code minLength: 1 examples: - OK postalCode: type: string description: Postal or Zip code minLength: 1 examples: - '70438' countryCode: type: string description: 2 digit Country code minLength: 1 examples: - US required: - street1 - city - regionCode - postalCode - countryCode transaction: type: object properties: id: type: string description: ID to be associated with transaction format: uuid minLength: 1 createdAtMillis: type: number description: Time of transaction in UNIX time examples: - 1616822241000 amount: type: number description: Transaction amount examples: - 1000 itemCategory: type: string description: >- Main item category in cart. e.g. crypto asset(ETH, BTC), gift card, alcohol, generic minLength: 1 actionType: type: string enum: - buy - sell - deposit - exchange - withdraw - refund - payment - topup - transfer description: >- Indicates the type of transaction. If you need other action types to be supported, please reach out to the Sardine team. minLength: 1 currencyCode: type: string description: 3-digit ISO 4217currency code minLength: 1 examples: - USD paymentMethod: type: object properties: type: const: crypto minLength: 1 bank: type: object properties: accountNumber: type: string description: Account number of banka account minLength: 1 examples: - '123456789' routingNumber: type: string description: Routing number of bank account minLength: 1 examples: - '1298751331' accountType: type: string enum: - checking - savings - other description: Type of account minLength: 1 balance: type: number description: >- Last known bank balance in minor units like cents examples: - 1000 balanceCurrencyCode: type: string description: 3 digit currency code minLength: 1 examples: - USD required: - accountNumber - routingNumber - accountType - balance - balanceCurrencyCode required: - type - bank required: - id - createdAtMillis - amount - itemCategory - actionType - currencyCode - paymentMethod emailAddress: type: string description: Email address of customer format: email minLength: 1 isEmailVerified: type: boolean description: Set to true if email has been verified phone: type: string description: Phone number including country minLength: 1 examples: - '+17342321234' isPhoneVerified: type: boolean description: >- Set to true if phone has been verified via a one time code createdAtMills: type: integer description: >- This is time the customer was onboarded/created in your system. Please pass it as Unix timestamp in milliseconds. e.g. 1622057169587 for Wed May 22021 19:26:09 personalInfo: type: array items: type: object properties: source: type: string enum: - id_verification - bank_verification - phone_verification description: >- Source of personal information obtained via external third-party (non-Sardine) for verification. Discuss with Sardine before using firstName: type: string description: First name middleName: type: string description: Middle name lastName: type: string description: Last name address: type: object properties: street1: type: string description: Street street2: type: string city: type: string regionCode: type: string postalCode: type: string countryCode: type: string company: type: string dateOfBirth: type: string required: - source required: - id - taxId - firstName - lastName - dateOfBirth - address - transaction - emailAddress - isEmailVerified - phone - isPhoneVerified required: - flow - sessionKey - customer x-examples: example-1: flow: string sessionKey: string personalInfo: - source: plaid firstName: string middleName: string lastName: string address: street1: string street2: string city: string regionCode: string postalCode: string countryCode: string company: string phone: string emailAddress: string isEmailVerified: true isPhoneVerified: true dateOfBirth: string identityObject: string customer: id: string taxId: string firstName: string lastName: string dateOfBirth: string address: street1: string city: string regionCode: string postalCode: string countryCode: string transaction: id: string createdAtMillis: 0 amount: 0 itemCategory: string actionType: string currencyCode: string paymentMethod: type: string bank: accountNumber: string routingNumber: string accountType: string balance: 0 balanceCurrencyCode: string isEmailVerified: true emailAddress: string phone: string isPhoneVerified: true examples: example-1: value: flow: login, onboarding,kyc-ssn sessionKey: 555fdc5c-8694-4345-b724-14454f320484 customer: id: 497f6eca-6276-4993-bfeb-53cbbbba6f08 taxId: '778131234' firstName: John lastName: Doe dateOfBirth: '1990-08-15' address: street1: 1 Main St city: Okhlahoma regionCode: OK postalCode: '70438' countryCode: US transaction: id: 497f6eca-6276-4993-bfeb-53cbbbba6f08 createdAtMillis: 1616822241000 amount: 1000 itemCategory: crypto actionType: buy currencyCode: USD paymentMethod: type: crypto bank: accountNumber: '123456789' routingNumber: '1298751331' accountType: checking balance: 1000 balanceCurrencyCode: USD emailAddress: user@example.com isEmailVerified: true phone: '+17342321234' isPhoneVerified: true createdAtMills: 0 personalInfo: - source: id_verification firstName: John lastName: Doe address: street1: 1 Main St city: Okhlahoma regionCode: OK postalCode: '70438' countryCode: US dateOfBirth: '1980-07-15' responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/Customer' examples: example-1: value: sessionKey: string level: string status: string customer: score: 0 level: string signals: - key: string value: string transaction: level: string amlLevel: string indemnification: decision: string instantLimit: 0 holdAmount: 0 verificationCode: string checkpoints: customer: customerPurchaseLevel: value: string ruleIds: - {} emailLevel: value: string ruleIds: - {} historicalLevel: value: string ruleIds: - {} riskLevel: value: string ruleIds: - {} security: - {} servers: - url: https://api.sandbox.sardine.ai/v1 description: Sandbox - url: https://api.sardine.ai/v1 description: Prod Server components: schemas: Customer: type: object title: Customer properties: sessionKey: type: string minLength: 1 examples: - 280CBF35-B4B0-4193-A111 level: type: string enum: - low - medium - high - very_high description: >- This is the ONLY field that a merchant needs to use to make decision on fraud. This field is set by our rules and the main rule is the rule using our "customer score" model. minLength: 1 status: type: string enum: - Success - Failure minLength: 1 customer: type: object properties: score: type: number description: >- ML Risk Score for the current customer session. The ML model used to predict the score is trained on velocity and aggregation features, phone, email, bank, tax, card, IP, location, device and behavior intelligence signals. The score can be used once feedback for historical transactions has been provided. examples: - 26 level: type: string enum: - low - medium - high - very_high description: This field is based on the signals sent in the response. minLength: 1 signals: type: array description: >- See https://docs.sardine.ai/api/reference/operation/v1-customers/ minItems: 1 uniqueItems: true items: type: object properties: key: type: string minLength: 1 value: type: string minLength: 1 transaction: type: object properties: level: type: string enum: - low - medium - high description: transaction risk level minLength: 1 amlLevel: type: string enum: - low - medium - high description: aml risk level minLength: 1 indemnification: type: object properties: decision: type: string enum: - approved - conditionally_approved - rejected - unknown minLength: 1 instantLimit: type: number description: >- This is the withdrawal amount in cents that is immediately available to the end-user. The remaining hold amount should be kept on hold on your side until the time specified by holdTime parameter below. examples: - 1000 holdAmount: type: number description: >- This is the remaining amount in cents that is available after the hold time is over. The hold time + instantLimit is the total deposit amount. examples: - 0 verificationCode: type: string minLength: 1 holdTime: type: string description: >- UNIX timestamp that represents time until you which should hold part of fund format: time examples: - '1628169754124' examples: - sessionKey: 280CBF35-B4B0-4193-A111 level: low status: Success customer: score: 26 level: low signals: - key: bankLevel value: low - key: emailDomainLevel value: low - key: emailLevel value: low reasonCodes: - HST transaction: level: low amlLevel: low indemnification: decision: approved instantLimit: 1000 holdAmount: 0 verificationCode: string holdTime: '1628169754124' x-examples: example-1: sessionKey: string level: string status: string customer: score: 0 level: string signals: - key: string value: string transaction: level: string amlLevel: string indemnification: decision: string instantLimit: 0 holdAmount: 0 verificationCode: string checkpoints: customer: customerPurchaseLevel: value: string ruleIds: - {} emailLevel: value: string ruleIds: - {} historicalLevel: value: string ruleIds: - {} riskLevel: value: string ruleIds: - {} x-internal: true x-stoplight: id: l1re9fwrwq4a1 ````