A field guide for developersVOL. 02

From a first request to an integration you can maintain.

Validate protocols, streaming, and tool behavior with explicit acceptance criteria.

Explicit costs · Repeatable setup · Checkable evidence

PRACTICAL TOOL / 01

First-request checklist

Turn a working request into a repeatable check.

POST /v1/chat/completions

{
  "model": "YOUR_MODEL_ID",
  "messages": [
    { "role": "user", "content": "Hello" }
  ]
}

Confirm the current model ID and API protocolMake a minimal request with a separate test keyCheck stream completion, usage and the billCheck timeout, rate-limit and data-handling boundaries

BEFORE YOU CHOOSE

Ask better questions before you connect.

01 / COST

Separate input, output and cache.

Compare the same workload using the same units.

02 / CAPABILITY

A model label is not a test result.

Validate images, tools and context separately.

03 / SERVICE

Read the sample, not just the percentage.

Keep the observation window and sample count visible.

INDEX / 03

Field notes

For developers integrating APIs: begin with small, non-sensitive samples before expanding context, concurrency, or application permissions.

Getting started

Make your first API request reproducible

Check the protocol, address, and model ID, then validate a short request before adding complexity.

5 min read

Protocol checks

Test streaming and tool calls separately

Validate the event lifecycle, then check tool arguments, result handling, and execution limits.

6 min read

Release preparation

Keep a capability checklist for each model configuration

Separate task quality, protocol behavior, and operating limits, and keep unknowns visible.

5 min read

NEXT / NEXOTOKEN

Take the checklist into your workflow.

Check current models and pricing on NexoToken, then validate a small task before expanding.

Model directory Pricing notes Public status