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Comprobante Validator Portugal Payroll Financial Management IVF Tracking Loan Options Pregnancy Weight Recommendation Affordability Calculator Loan Calculation Biweekly Payments Loan Decision Tool Spain Payroll Daily Predictions Debt Reduction Cost Analysis Balloon Payment Calculation Amortization Schedule Ultrasound Measurement Fertility Window Payment Planning Due Date Calculation

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Best semana de embarazo APIs

Pregnancy Calculator API

Health & Fitness

Welcome to the Pregnancy Calculator API. This API provides endpoints for calculating Fertility Window, Pregnancy Due Date, Pregnancy Week, and Pregnancy Weight Recommendation. With this API, you can easily integrate these calculations into your applications, websites, or any other projects.

Free 7-Day Trial

100% uptime 63ms avg MCP ready

Latin America Iberia Payroll API

Finance & Payments

Calculate net monthly salary and payroll deductions for 20 countries across Latin America, Spain and Portugal. Ideal for HR tech, fintech and remote-work platforms.

Free 7-Day Trial

100% uptime 339ms avg MCP ready

Costa Rica e-Invoice Validator API - Hacienda

Legal & Compliance

Keyless Costa Rica Hacienda v4.4 comprobante validator: official XSD for 8 document types, the 50-digit clave numerica, CABYS code lists, totals/IVA math, XAdES-EPES signature check. Rule-coded JSON r

Free 7-Day Trial

100% uptime 279ms avg MCP ready

Spanish Horoscope API

Entertainment & Media

Get Spanish horoscope predictions daily using our Spanish Horoscope API, perfect for entertainment apps and services.

Free 7-Day Trial

100% uptime 1,787ms avg MCP ready

Pregnancy Due Date - Gestational Age API

Health & Fitness

Pregnancy due date and gestational age API. EDD from LMP, conception, IVF transfer day, or ultrasound CRL. ACOG redating rules, trimester, and term milestones. Deterministic ISO 8601 dates.

Free 7-Day Trial

100% uptime 809ms avg MCP ready

Gestational Age Calculator and Week Conversion API

Health & Fitness

Gestational age at any given date, returned as a 29w2d label and as total days.

Free 7-Day Trial

100% uptime MCP ready

ACOG Ultrasound Redating Rules API

Health & Fitness

Applies ACOG Committee Opinion 700 Table 1 to decide whether an ultrasound overrides LMP dating.

Free 7-Day Trial

100% uptime MCP ready

Antenatal Visit Schedule Dates API

Health & Fitness

Antenatal visit dates from the WHO 2016, NICE or ACOG published schedules, as calendar dates.

Free 7-Day Trial

100% uptime MCP ready

IVF Transfer Due Date Calculation API

Health & Fitness

Due date from embryo transfer date. Day-3, day-5, day-6 and egg retrieval calculated separately.

Free 7-Day Trial

100% uptime MCP ready

Ovulation Date and Fertile Window Calculation API

Health & Fitness

Ovulation estimate and 6-day fertile window from cycle length. Not contraceptive guidance.

Free 7-Day Trial

100% uptime MCP ready

LMP Based Due Date Calculation API

Health & Fitness

Due date from last menstrual period using Naegele's rule, with 21-45 day cycle length correction.

Free 7-Day Trial

100% uptime MCP ready

Pregnancy Trimester and Term Milestones API

Health & Fitness

Trimester boundaries, 24w0d viability, and four preterm and four term classes with their dates.

Free 7-Day Trial

100% uptime MCP ready

Ultrasound Dating Based on Fetal Biometry API

Health & Fitness

Dating from BPD, HC, AC and FL measurements in millimetres, using Hadlock 1984 equations.

Free 7-Day Trial

100% uptime MCP ready

Conception Date from LMP Calculation API

Health & Fitness

Conception date from a last menstrual period or from a known due date, as ISO 8601 dates

Free 7-Day Trial

100% uptime MCP ready

Upcoming Soccer Games API

Sports & Gaming

The Upcoming Soccer Games API allows developers to access data about next week's soccer games. This data includes the match schedule, home and away team.

Free 7-Day Trial