As low as 3% of official pricing, Start

Example: at 0.2 model rate, pay 10.00 → usable $50.00. Balance is usable across all models. Actual pricing is subject to the website display.

Gemini 2.5 Pro API Documentation

Gemini 2.5 Pro is designed for conversational AI, content generation, coding assistance, document analysis, and agent workflows. With YesAPI.online, you can access the model through a stable Base URL, unified authentication, and consistent request patterns.

Base URL

https://yesapi.online/v1

Authentication

Model Name

Field	Value
Model	`gemini-2-5-pro`
API type	chat completions API

Request Endpoint

POST https://yesapi.online/v1/chat/completions

Request Parameters

Parameter	Type	Required	Default	Description
`model`	string	Yes	-	Fixed value: `gemini-2-5-pro`
`prompt`	string	No	-	Task prompt or instruction
`messages`	array	Yes	-	Conversation messages for chat models
`stream`	boolean	No	`false`	Enable streaming output for supported chat models
`callback_url`	string	No	-	Callback URL for asynchronous media tasks

Request Example

Response Example

{
  "id": "task_or_response_example",
  "model": "gemini-2-5-pro",
  "status": "succeeded",
  "created": 1784534400
}

Response Fields

Field	Type	Description
`id`	string	Request or task ID
`model`	string	Model used for the request
`status`	string	Task status for asynchronous APIs
`usage`	object	Token or usage details when available
`error`	object	Error details when the request fails

Python Example

Node.js Example

Error Codes

Status	Type	How to Fix
`400`	Invalid request	Check required fields and parameter formats
`401`	Unauthorized	Verify your API key and Authorization header
`402`	Insufficient balance	Check account balance or plan quota
`429`	Rate limited	Reduce concurrency or add retry backoff
`500`	Service error	Retry later and keep the request ID for support

Best Practices

Keep prompts explicit and include output requirements.

Store request IDs and business IDs for tracing.

Use callbacks or polling for asynchronous media generation.

Use the YesAPI recharge page and model list to manage cost and model selection.

API domain: https://yesapi.online

Models: Models

Recharge: Recharge

As low as 3% of official pricing, Start

Example: at 0.2 model rate, pay 10.00 → usable $50.00. Balance is usable across all models. Actual pricing is subject to the website display.

Gemini 2.5 Pro

Gemini 2.5 Pro API Documentation#

Base URL#

Authentication#

Model Name#

Request Endpoint#

Request Parameters#

Request Example#

Response Example#

Response Fields#

Python Example#

Node.js Example#

Error Codes#

Best Practices#

Related Links#