> ## Documentation Index > Fetch the complete documentation index at: https://docs.terrapinfinance.com/llms.txt > Use this file to discover all available pages before exploring further. # Latest Pricing > Get the latest end of day US municipal bond pricing data for a given set of ISINs. ## OpenAPI ````yaml post /api/v1/muni_pricing_latest openapi: 3.0.0 info: title: Terrapin API version: 1.0.0 servers: - url: https://terrapinfinance.com variables: {} security: - authorization: [] tags: [] paths: /api/v1/muni_pricing_latest: post: tags: [] summary: Municipal latest end of day pricing data description: >- Get the latest end of day US municipal bond pricing data for a given set of ISINs. operationId: post_muni_pricing_latest parameters: [] requestBody: content: application/json: example: as_of_date: '2025-08-11' isins: - US828641ZF03 schema: additionalProperties: false properties: as_of_date: description: > Set this date (in ISO-8601 format (YYYY-MM-DD)) to get the latest pricing data as of a specific date. When not set, the latest pricing data is returned. format: date type: string x-struct: null x-validate: null isins: description: >- International Securities Identification Number (ISIN), unique 12-character code for the security. items: example: US64966HW301 maxLength: 12 minLength: 12 nullable: false type: string x-struct: null x-validate: null type: array x-check: valid_check_digit x-check-error: Invalid ISIN check digit x-struct: null x-transform: upcase x-validate: null required: - isins type: object x-struct: null x-validate: null required: true responses: '200': content: application/json: example: data: - amount: 10000 id: pPwoatVrqhKC8LdABwjqiQ is_alt_trading_system: false is_cancelled: false is_list_offering_price: false is_non_transaction_compensation: false is_weighted_avg_price_trade: false is_when_issued_trade: false isin: US828641ZF03 price: 103.835 settlement_date: '2025-08-05' trade_datetime: '2025-08-04T18:48:08' trade_type: customer_bought ytc_continuous: 4.4593 ytc_money_market: null ytc_semi_annual: 4.5094 ytm_continuous: 4.92084 ytm_money_market: null ytm_semi_annual: 4.9819 total: 1 schema: additionalProperties: false properties: data: description: List of response data objects, often capped to 1000. items: additionalProperties: false properties: amount: description: > Amount of the trade, the total face value (principal) of bonds traded in this transaction. nullable: true type: number x-struct: null x-validate: null id: description: Unique trade identifier. nullable: false type: string x-struct: null x-validate: null is_alt_trading_system: description: > Whether this is an alternative trading system (ATS) trade. An ATS is a non-exchange trading venue that matches buyers and sellers of securities. nullable: false type: boolean x-struct: null x-validate: null is_cancelled: description: Whether the trade has been cancelled. nullable: false type: boolean x-struct: null x-validate: null is_list_offering_price: description: > Whether this is a list offering price, which is a price that is set by the issuer (primary market) and is used to determine the price of the bond in the secondary market. nullable: false type: boolean x-struct: null x-validate: null is_non_transaction_compensation: description: > Whether this is a non-transaction compensation trade, which is a trade that is reported for regulatory or compensation purposes, but does not represent an actual transaction between a buyer and seller. nullable: false type: boolean x-struct: null x-validate: null is_weighted_avg_price_trade: description: > Whether this is a weighted average price trade, which is a trade that is executed at the weighted average price of multiple executions at different prices, typically when a dealer fills an order in pieces. Weighted average price trades aggregate several executions into one reported trade at the average price. nullable: false type: boolean x-struct: null x-validate: null is_when_issued_trade: description: > Whether this is a when-issued trade, which is a trade that is executed before the official issuance and delivery of the bond. nullable: false type: boolean x-struct: null x-validate: null isin: description: >- International Securities Identification Number (ISIN), unique 12-character code for the security. example: US64966HW301 maxLength: 12 minLength: 12 nullable: false type: string x-check: valid_check_digit x-check-error: Invalid ISIN check digit x-struct: null x-transform: upcase x-validate: null price: description: > Trade price of the municipal bond, expressed as a percentage of the bond's face value. nullable: false type: number x-struct: null x-validate: null settlement_date: description: Settlement date in ISO-8601 format (YYYY-MM-DD). format: date nullable: false type: string x-struct: null x-validate: null trade_datetime: description: >- Trade datetime in ISO-8601 format (YYYY-MM-DDTHH:MM:SS). format: date_time nullable: false type: string x-struct: null x-validate: null trade_type: description: | Type of trade: - `customer_bought`: Customer bought from a dealer - `customer_sold`: Customer sold to a dealer - `inter_dealer`: Trade between dealers enum: - customer_bought - customer_sold - inter_dealer nullable: true type: string x-struct: null x-validate: null ytc_continuous: description: Yield to call (continuous compounding). nullable: true type: number x-struct: null x-validate: null ytc_money_market: description: Yield to call (money market convention). nullable: true type: number x-struct: null x-validate: null ytc_semi_annual: description: Yield to call (semi-annual convention). nullable: true type: number x-struct: null x-validate: null ytm_continuous: description: Yield to maturity (continuous compounding). nullable: true type: number x-struct: null x-validate: null ytm_money_market: description: Yield to maturity (money market convention). nullable: true type: number x-struct: null x-validate: null ytm_semi_annual: description: Yield to maturity (semi-annual convention). nullable: true type: number x-struct: null x-validate: null required: - amount - id - is_alt_trading_system - is_cancelled - is_list_offering_price - is_non_transaction_compensation - is_weighted_avg_price_trade - is_when_issued_trade - isin - price - settlement_date - trade_datetime - trade_type - ytc_continuous - ytc_money_market - ytc_semi_annual - ytm_continuous - ytm_money_market - ytm_semi_annual type: object x-struct: null x-validate: null type: array x-struct: null x-validate: null total: description: >- Total number of results in the database that match the query filters. type: integer x-struct: null x-validate: null required: - data - total title: MuniPricingLatestResponse type: object x-struct: null x-validate: null description: Latest end of day pricing data '401': content: application/json: schema: additionalProperties: false properties: errors: items: additionalProperties: false properties: detail: example: Unauthorized type: string x-struct: null x-validate: null reason: example: >- Your account tier does not allow this operation. Contact team@terrapinfinance.com for an upgrade. type: string x-struct: null x-validate: null required: - detail type: object x-struct: null x-validate: null type: array x-struct: null x-validate: null required: - errors type: object x-struct: null x-validate: null description: Unauthorized '402': content: application/json: schema: additionalProperties: false properties: errors: items: additionalProperties: false properties: detail: example: Payment Required type: string x-struct: null x-validate: null reason: example: >- You have run out of your granted quota for this resource as defined by your account tier. Contact team@terrapinfinance.com for an upgrade. type: string x-struct: null x-validate: null required: - detail type: object x-struct: null x-validate: null type: array x-struct: null x-validate: null required: - errors type: object x-struct: null x-validate: null description: Payment Required '403': content: application/json: schema: additionalProperties: false properties: errors: items: additionalProperties: false properties: detail: example: Forbidden type: string x-struct: null x-validate: null reason: example: >- Your account tier does not allow this operation. Contact team@terrapinfinance.com for an upgrade. type: string x-struct: null x-validate: null required: - detail type: object x-struct: null x-validate: null type: array x-struct: null x-validate: null required: - errors type: object x-struct: null x-validate: null description: Forbidden '422': content: application/json: schema: properties: errors: items: properties: detail: example: 'Invalid string. Got: integer' type: string x-struct: null x-validate: null source: properties: pointer: example: /isins/0 type: string x-struct: null x-validate: null required: - pointer type: object x-struct: null x-validate: null title: example: Invalid value type: string x-struct: null x-validate: null required: - detail - source - title type: object x-struct: null x-validate: null type: array x-struct: null x-validate: null required: - errors type: object x-struct: null x-validate: null description: Unprocessable Entity '429': content: application/json: schema: additionalProperties: false properties: errors: items: additionalProperties: false properties: detail: example: Too Many Requests type: string x-struct: null x-validate: null reason: type: string x-struct: null x-validate: null required: - detail type: object x-struct: null x-validate: null type: array x-struct: null x-validate: null required: - errors type: object x-struct: null x-validate: null description: Too Many Requests '500': content: application/json: schema: additionalProperties: false properties: errors: items: additionalProperties: false properties: detail: example: Internal Server Error type: string x-struct: null x-validate: null reason: type: string x-struct: null x-validate: null required: - detail type: object x-struct: null x-validate: null type: array x-struct: null x-validate: null required: - errors type: object x-struct: null x-validate: null description: Internal Server Error callbacks: {} components: securitySchemes: authorization: scheme: bearer type: http ````